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85651086 = 23127112403
BaseRepresentation
bin1010001101011…
…10111010001110
312222011112012110
411012232322032
5133411313321
612255444450
72060010423
oct506567216
9188145173
1085651086
1144390a24
1224826726
131498b621
14b537d4a
1577bd176
hex51aee8e

85651086 has 16 divisors (see below), whose sum is σ = 172652544. Its totient is φ = 28325304.

The previous prime is 85651043. The next prime is 85651087. The reversal of 85651086 is 68015658.

It is a super-2 number, since 2×856510862 = 14672217065958792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85651087) 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, 55440 + ... + 56963.

It is an arithmetic number, because the mean of its divisors is an integer number (10790784).

Almost surely, 285651086 is an apocalyptic number.

85651086 is an abundant number, since it is smaller than the sum of its proper divisors (87001458).

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

85651086 is a wasteful number, since it uses less digits than its factorization.

85651086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112535.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 85651086 is about 9254.7871936636. The cubic root of 85651086 is about 440.8027459938.

The spelling of 85651086 in words is "eighty-five million, six hundred fifty-one thousand, eighty-six".

Divisors: 1 2 3 6 127 254 381 762 112403 224806 337209 674418 14275181 28550362 42825543 85651086