Problem Statement
You need to write a program in C to find if the given number is a strong number or not.
How to find if the given number is a strong number ?
What is a strong number ?
A number is said to be a strong number when the sum of the factorial of a number’s individual digits are equal to the number itself.
#include<stdio.h>
int main()
{
int num,i,fact,r,sum=0,temp;
printf("Please enter a number to find strong number");
scanf("%d",&num);
temp=num;
while(num)
{
i=1,fact=1;
r=num%10;
while(i<=r)
{
fact=fact*i;
i++;
}
sum=sum+fact;
num=num/10;
}
if(sum==temp)
printf("\nThe number %d is a strong number",temp);
else
printf("\nThe number %d is not a strong number",temp);
return 0;
}