Numbers / 978

The Number 978

978 is composite: factorization 2 × 3 × 163. That gives 978 exactly 8 divisors: 1, 2, 3, 6, 163, 326, 489, 978. 978's proper divisors total 990, 12 more than 978 itself, so 978 is abundant. 978 has a digit sum of 24; for 978, the digital root works out to 6. 978: 2, 3, 6 all divide 978 evenly, out of 2-12. 978 is 1111010010 in binary and 3D2 in hex; as a Roman numeral it's CMLXXVIII.