armstrong number

1sum of cubes of the digits

1temp=n;    
2while(n>0)    
3{    
4r=n%10;    
5sum=sum+(r*r*r);    
6n=n/10;    
7}    
8if(temp==sum)    
9printf("armstrong  number ");    
10else    
11printf("not armstrong number");    
12return 0;  

1#include<stdio.h>
2int main()
3{ 
4      int num ,n,n1,c=0,mul=1,sum=0,r,f,i;
5      printf("enter any num: \n");
6      scanf("%d",&num);
7      n=num;
8      n1=num;
9      while(n!=0)
10      {
11          r=n%10;
12          c++;
13          n=n/10;
14     }
15     while (num!=0)
16     {
17         f=num%10;
18         mul=1;
19         for(i=1;i<=c;i++)
20         {
21              mul=mul*f;
22         }
23
24        sum=sum+mul;
25       num=num/10;
26     }
27     if(n1==sum)
28         printf("Armstrong Number");
29    else
30         printf("Not an Armstrong Number");
31  return 0;
32}

1// Armstrong Numbers
21, 2, 3, 4, 5, 6, 7, 8, 9, 153, 370, 371, 407, 1634, 8208, 9474, 54748...

1  <form method="post">
2        Enter the Number:
3        <input type="number" name="number">
4        <input type="submit" value="Submit">
5    </form>
6    <?php
7    if ($_POST) {
8        //get the number entered  
9        $number = $_POST['number'];
10        //store entered number in a variable  
11        $a = $number;
12        $sum  = 0;
13        //run loop till the quotient is 0  
14        while ($a != 0) {
15            $rem   = $a % 10; //find reminder  
16            $sum   = $sum + ($rem * $rem * $rem) || $sum = $rem; //cube the reminder and add it to the sum variable till the loop ends  
17            $a   = $a / 10; //find quotient. if 0 then loop again  
18        }
19        //if the entered number and $sum value matches then it is an armstrong number  
20        if ($number == $sum) {
21            echo "Yes $number an Armstrong Number";
22        } else {
23            echo "$number is not an Armstrong Number";
24        }
25    }
26//here is another example using while loop
27
28$num=300;  
29$total=0;  
30$x=$num;  
31while($x!=0){  
32$rem=$x%10;  
33$total=$total+($rem*$rem*$rem);  
34$x=$x/10;  
35}  
36if($num==$total){
37  echo "Yes it is an Armstrong number";}
38else  
39{echo "No it is not an armstrong number";}