Numbers / 790

The Number 790

790 is composite: factorization 2 × 5 × 79. That gives 790 exactly 8 divisors: 1, 2, 5, 10, 79, 158, 395, 790. 790's proper divisors total just 650, 140 short of 790, the deficient case most of 790's neighbors share too. 790 has a digit sum of 16; for 790, the digital root works out to 7. 790: 2, 5, 10 all divide 790 evenly, out of 2-12. 790 is 1100010110 in binary and 316 in hex; as a Roman numeral it's DCCXC.