To check whether the given number is an Armstrong number

/* To check whether the given number is an Armstrong number */

/* A number is an Armstrong number if sum of the cube of its digits is equal to the number */

#include<stdio.h>

#include<conio.h>

void main()

{

  int num,d,temp,sum=0;

  clrscr();

  printf("Enter the number: ");

  scanf("%d",&num);

  temp=num;

  while(num!=0)

  {

    d=num%10;

    num=num/10;

    sum=sum+(d*d*d);

  }

  if(sum==temp)

    printf("%d is an Armstrong Number!",temp);

  else

    printf("%d is NOT an Armstrong Number!",temp);

  getch();

}

 

OUTPUT

Enter the number: 153

153 is an Armstrong Number!