Strong Number
void strong_number()
{
int num,i,p,r,sum=0,save_num;
printf("\n Enter a number:\t");
scanf("%d",&num);
save_num=num;
while(num)
{
i=1,p=1;
r=num%10;
while(i<=r)
{
p=p*i;
i++;
} //while
sum=sum+p;
num=num/10;
} //while
if(sum==save_num)
printf("%d is a Strong number", save_num);
else
printf("%d is not a Strong number", save_num);
}
Output:
Enter a number: 153
153 is not a Strong number
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