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85725708 = 2237579437
BaseRepresentation
bin1010001110000…
…01001000001100
312222022022120020
411013001020030
5133421210313
612301222140
72060441115
oct507011014
9188268506
1085725708
1144431aa2
1224861950
13149b6593
14b55720c
1577d5323
hex51c120c

85725708 has 24 divisors (see below), whose sum is σ = 200312112. Its totient is φ = 28534464.

The previous prime is 85725671. The next prime is 85725719. The reversal of 85725708 is 80752758.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85725708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4366 + ... + 13802.

It is an arithmetic number, because the mean of its divisors is an integer number (8346338).

Almost surely, 285725708 is an apocalyptic number.

It is an amenable number.

85725708 is an abundant number, since it is smaller than the sum of its proper divisors (114586404).

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

85725708 is a wasteful number, since it uses less digits than its factorization.

85725708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201 (or 10199 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 85725708 is about 9258.8178511082. The cubic root of 85725708 is about 440.9307227112.

It can be divided in two parts, 857 and 25708, that added together give a triangular number (26565 = T230).

The spelling of 85725708 in words is "eighty-five million, seven hundred twenty-five thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 757 1514 2271 3028 4542 9084 9437 18874 28311 37748 56622 113244 7143809 14287618 21431427 28575236 42862854 85725708