27. WRITE A C PROGRAM TO CHECK THE GIVEN NUMBER IS ARMSTRONG NUMBER OR NOT

/*program to Check the given number is armstrong number or not using c program*/

#include<stdio.h>
int main(){
int num,r,sum=0,temp;
printf("Enter a number: ");
scanf("%d",&num);
temp=num;
while(num!=0){
r=num%10;
num=num/10;
sum=sum+(r*r*r);
}
if(sum==temp)
printf("%d is an Armstrong number",temp);
else
printf("%d is not an Armstrong number",temp);
return 0;
}

output

Sample output:
Enter a number: 153
153 is an Armstrong number