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16012872 = 2332297669
BaseRepresentation
bin111101000101…
…011001001000
31010010112112100
4331011121020
513044402442
61331113400
7253051521
oct75053110
933115470
1016012872
119047787
125442860
133418695
1421ab848
15161484c
hexf45648

16012872 has 48 divisors (see below), whose sum is σ = 44869500. Its totient is φ = 5152896.

The previous prime is 16012859. The next prime is 16012873. The reversal of 16012872 is 27821061.

It can be written as a sum of positive squares in 2 ways, for example, as 14699556 + 1313316 = 3834^2 + 1146^2 .

It is not an unprimeable number, because it can be changed into a prime (16012873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1747 + ... + 5922.

Almost surely, 216012872 is an apocalyptic number.

16012872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16012872 is an abundant number, since it is smaller than the sum of its proper divisors (28856628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16012872 is a wasteful number, since it uses less digits than its factorization.

16012872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7710 (or 7703 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 16012872 is about 4001.6086765200. The cubic root of 16012872 is about 252.0517656317.

The spelling of 16012872 in words is "sixteen million, twelve thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 522 696 1044 2088 7669 15338 23007 30676 46014 61352 69021 92028 138042 184056 222401 276084 444802 552168 667203 889604 1334406 1779208 2001609 2668812 4003218 5337624 8006436 16012872