Numbers / 973
The Number 973
973 is composite: factorization 7 × 139. That gives 973 exactly 4 divisors: 1, 7, 139, 973. 973's proper divisors total just 147, 826 short of 973, the deficient case most of 973's neighbors share too. 973 has a digit sum of 19; for 973, the digital root works out to 1. 973: 7 all divide 973 evenly, out of 2-12. 973 is 1111001101 in binary and 3CD in hex; as a Roman numeral it's CMLXXIII.