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85286866 = 2731319463
BaseRepresentation
bin1010001010101…
…01111111010010
312221111000120211
411011111333102
5133313134431
612243554334
72053632520
oct505257722
9187430524
1085286866
1144162315
122468b9aa
1314891902
14b481310
15774a2b1
hex5155fd2

85286866 has 16 divisors (see below), whose sum is σ = 146680704. Its totient is φ = 36432864.

The previous prime is 85286857. The next prime is 85286869. The reversal of 85286866 is 66868258.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85286869) 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, 5350 + ... + 14113.

It is an arithmetic number, because the mean of its divisors is an integer number (9167544).

Almost surely, 285286866 is an apocalyptic number.

85286866 is a deficient number, since it is larger than the sum of its proper divisors (61393838).

85286866 is a wasteful number, since it uses less digits than its factorization.

85286866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19785.

The product of its digits is 1105920, while the sum is 49.

The square root of 85286866 is about 9235.0888463512. The cubic root of 85286866 is about 440.1770396378.

The spelling of 85286866 in words is "eighty-five million, two hundred eighty-six thousand, eight hundred sixty-six".

Divisors: 1 2 7 14 313 626 2191 4382 19463 38926 136241 272482 6091919 12183838 42643433 85286866