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85986756 = 22324355547
BaseRepresentation
bin1010010000000…
…00110111000100
312222210120122200
411020000313010
5134003034011
612310554500
72062606152
oct510006704
9188716580
1085986756
11445a0139
1224968a30
1314a7834b
14b5c43d2
157837856
hex5200dc4

85986756 has 36 divisors (see below), whose sum is σ = 222414192. Its totient is φ = 27995184.

The previous prime is 85986707. The next prime is 85986781. The reversal of 85986756 is 65768958.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26226 + ... + 29321.

It is an arithmetic number, because the mean of its divisors is an integer number (6178172).

Almost surely, 285986756 is an apocalyptic number.

85986756 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

85986756 is an abundant number, since it is smaller than the sum of its proper divisors (136427436).

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

85986756 is a wasteful number, since it uses less digits than its factorization.

85986756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55600 (or 55595 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 85986756 is about 9272.9043993778. The cubic root of 85986756 is about 441.3778365222.

The spelling of 85986756 in words is "eighty-five million, nine hundred eighty-six thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 387 516 774 1548 55547 111094 166641 222188 333282 499923 666564 999846 1999692 2388521 4777042 7165563 9554084 14331126 21496689 28662252 42993378 85986756