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85385755 = 5713187661
BaseRepresentation
bin1010001011011…
…10001000011011
312221200001020101
411011232020123
5133324321010
612250040231
72054524030
oct505561033
9187601211
1085385755
114421a644
1224719077
13148c7920
14b4a9387
15776973a
hex516e21b

85385755 has 16 divisors (see below), whose sum is σ = 126108864. Its totient is φ = 54046080.

The previous prime is 85385743. The next prime is 85385761. The reversal of 85385755 is 55758358.

It is not a de Polignac number, because 85385755 - 25 = 85385723 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93376 + ... + 94285.

It is an arithmetic number, because the mean of its divisors is an integer number (7881804).

Almost surely, 285385755 is an apocalyptic number.

85385755 is a deficient number, since it is larger than the sum of its proper divisors (40723109).

85385755 is a wasteful number, since it uses less digits than its factorization.

85385755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187686.

The product of its digits is 840000, while the sum is 46.

The square root of 85385755 is about 9240.4412773417. The cubic root of 85385755 is about 440.3471004241.

The spelling of 85385755 in words is "eighty-five million, three hundred eighty-five thousand, seven hundred fifty-five".

Divisors: 1 5 7 13 35 65 91 455 187661 938305 1313627 2439593 6568135 12197965 17077151 85385755