Numbers / 763
The Number 763
763 is composite: factorization 7 × 109. That gives 763 exactly 4 divisors: 1, 7, 109, 763. 763's proper divisors total just 117, 646 short of 763, the deficient case most of 763's neighbors share too. 763 has a digit sum of 16; for 763, the digital root works out to 7. 763: 7 all divide 763 evenly, out of 2-12. 763 is 1011111011 in binary and 2FB in hex; as a Roman numeral it's DCCLXIII.