Numbers / 706
The Number 706
706 is composite: factorization 2 × 353. That gives 706 exactly 4 divisors: 1, 2, 353, 706. 706's proper divisors total just 356, 350 short of 706, the deficient case most of 706's neighbors share too. 706 has a digit sum of 13; for 706, the digital root works out to 4. 706: 2 all divide 706 evenly, out of 2-12. 706 is 1011000010 in binary and 2C2 in hex; as a Roman numeral it's DCCVI.