Numbers / 742

The Number 742

742 is composite: factorization 2 × 7 × 53. That gives 742 exactly 8 divisors: 1, 2, 7, 14, 53, 106, 371, 742. 742's proper divisors total just 554, 188 short of 742, the deficient case most of 742's neighbors share too. 742 has a digit sum of 13; for 742, the digital root works out to 4. 742: 2, 7 all divide 742 evenly, out of 2-12. 742 is 1011100110 in binary and 2E6 in hex; as a Roman numeral it's DCCXLII.