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85318752 = 253888737
BaseRepresentation
bin1010001010111…
…01110001100000
312221112122022210
411011131301200
5133320200002
612244402120
72054124501
oct505356140
9187478283
1085318752
1144184272
12246a6340
13148a328c
14b48cba8
15775496c
hex515dc60

85318752 has 24 divisors (see below), whose sum is σ = 223961976. Its totient is φ = 28439552.

The previous prime is 85318691. The next prime is 85318757. The reversal of 85318752 is 25781358.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 85318752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85318757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444273 + ... + 444464.

It is an arithmetic number, because the mean of its divisors is an integer number (9331749).

Almost surely, 285318752 is an apocalyptic number.

It is an amenable number.

85318752 is an abundant number, since it is smaller than the sum of its proper divisors (138643224).

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

85318752 is a wasteful number, since it uses less digits than its factorization.

85318752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888750 (or 888742 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The square root of 85318752 is about 9236.8150354979. The cubic root of 85318752 is about 440.2318887878.

The spelling of 85318752 in words is "eighty-five million, three hundred eighteen thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 888737 1777474 2666211 3554948 5332422 7109896 10664844 14219792 21329688 28439584 42659376 85318752