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85974912 = 273324877
BaseRepresentation
bin1010001111111…
…01111110000000
312222202222102000
411013331332000
5134002144122
612310424000
72062526502
oct507757600
9188688360
1085974912
1144592251
1224962000
1314a72b3a
14b5bdd72
1578340ac
hex51fdf80

85974912 has 64 divisors (see below), whose sum is σ = 253755600. Its totient is φ = 28657152.

The previous prime is 85974881. The next prime is 85974913. The reversal of 85974912 is 21947958.

85974912 is a `hidden beast` number, since 8 + 597 + 49 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85974913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8983 + ... + 15894.

Almost surely, 285974912 is an apocalyptic number.

It is an amenable number.

85974912 is an abundant number, since it is smaller than the sum of its proper divisors (167780688).

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

85974912 is a wasteful number, since it uses less digits than its factorization.

85974912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24900 (or 24882 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 85974912 is about 9272.2657425249. The cubic root of 85974912 is about 441.3575701487.

The spelling of 85974912 in words is "eighty-five million, nine hundred seventy-four thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 3456 24877 49754 74631 99508 149262 199016 223893 298524 398032 447786 597048 671679 796064 895572 1194096 1343358 1592128 1791144 2388192 2686716 3184256 3582288 4776384 5373432 7164576 9552768 10746864 14329152 21493728 28658304 42987456 85974912