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85361272 = 2312784017
BaseRepresentation
bin1010001011010…
…00001001111000
312221121210122121
411011220021320
5133323030042
612245331024
72054362453
oct505501170
9187553577
1085361272
1144203207
1224706a74
13148b9739
14b4a049a
157762367
hex5168278

85361272 has 16 divisors (see below), whose sum is σ = 161314560. Its totient is φ = 42344064.

The previous prime is 85361219. The next prime is 85361291. The reversal of 85361272 is 27216358.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40993 + ... + 43024.

It is an arithmetic number, because the mean of its divisors is an integer number (10082160).

Almost surely, 285361272 is an apocalyptic number.

It is an amenable number.

85361272 is a deficient number, since it is larger than the sum of its proper divisors (75953288).

85361272 is a wasteful number, since it uses less digits than its factorization.

85361272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84150 (or 84146 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 85361272 is about 9239.1164079689. The cubic root of 85361272 is about 440.3050089040.

The spelling of 85361272 in words is "eighty-five million, three hundred sixty-one thousand, two hundred seventy-two".

Divisors: 1 2 4 8 127 254 508 1016 84017 168034 336068 672136 10670159 21340318 42680636 85361272