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85136733 = 32118091063
BaseRepresentation
bin1010001001100…
…01010101011101
312221012101122100
411010301111131
5133243333413
612240435313
72052436023
oct504612535
9187171570
1085136733
114406a540
1224618b39
131483b486
14b442713
15771aa73
hex513155d

85136733 has 24 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 51485760.

The previous prime is 85136707. The next prime is 85136743. The reversal of 85136733 is 33763158.

It is not a de Polignac number, because 85136733 - 28 = 85136477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85136743) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 79560 + ... + 80622.

It is an arithmetic number, because the mean of its divisors is an integer number (5601960).

Almost surely, 285136733 is an apocalyptic number.

It is an amenable number.

85136733 is a deficient number, since it is larger than the sum of its proper divisors (49310307).

85136733 is a wasteful number, since it uses less digits than its factorization.

85136733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889 (or 1886 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 85136733 is about 9226.9568656193. The cubic root of 85136733 is about 439.9186023670.

The spelling of 85136733 in words is "eighty-five million, one hundred thirty-six thousand, seven hundred thirty-three".

Divisors: 1 3 9 11 33 99 809 1063 2427 3189 7281 8899 9567 11693 26697 35079 80091 105237 859967 2579901 7739703 9459637 28378911 85136733