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85731126 = 23131099117
BaseRepresentation
bin1010001110000…
…10011100110110
312222022120222220
411013002130312
5133421344001
612301303210
72060462655
oct507023466
9188276886
1085731126
1144436078
1224864b06
13149b8ba0
14b55919c
1577d6c36
hex51c2736

85731126 has 16 divisors (see below), whose sum is σ = 184651824. Its totient is φ = 26378784.

The previous prime is 85731101. The next prime is 85731137. The reversal of 85731126 is 62113758.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 549481 + ... + 549636.

It is an arithmetic number, because the mean of its divisors is an integer number (11540739).

Almost surely, 285731126 is an apocalyptic number.

85731126 is an abundant number, since it is smaller than the sum of its proper divisors (98920698).

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

85731126 is a wasteful number, since it uses less digits than its factorization.

85731126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099135.

The product of its digits is 10080, while the sum is 33.

The square root of 85731126 is about 9259.1104324336. The cubic root of 85731126 is about 440.9400116880.

The spelling of 85731126 in words is "eighty-five million, seven hundred thirty-one thousand, one hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 78 1099117 2198234 3297351 6594702 14288521 28577042 42865563 85731126