#### C-programming - Armstrong number in C, C program to find armstrong number

#### Armstrong number in C

#includeArmstrong numbers are the sum of their own digits to the power of the number of digits. For example consider 153, where 1^3+5^3+3^3= 153.

#include<conio.h> #include<conio.h> main() { int number, sum = 0, temp, remainder; printf("Enter a number\n"); scanf("%d",&number); temp = number; while( temp != 0 ) { remainder = temp%10; sum = sum + remainder*remainder*remainder; temp = temp/10; } if ( number == sum ) printf("Entered number is an armstrong number."); else printf("Entered number is not an armstrong number."); getch(); return 0; }

In this program the number to be checked is got from the user. It is copied to a new variable say temp. Now every digit in the number is raised to a power of number of digits (here it is 3) and summed. If this result is equal to entered number then the number is a armstrong number.

output

Enter a number 123 Entered number is not an armstrong number

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