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85170726 = 2324731707
BaseRepresentation
bin1010001001110…
…01101000100110
312221021010021100
411010321220212
5133300430401
612241300530
72052640104
oct504715046
9187233240
1085170726
1144093033
1224634746
1314850aa4
14b450c74
157725b86
hex5139a26

85170726 has 12 divisors (see below), whose sum is σ = 184536612. Its totient is φ = 28390236.

The previous prime is 85170691. The next prime is 85170727. The reversal of 85170726 is 62707158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85170727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2365836 + ... + 2365871.

It is an arithmetic number, because the mean of its divisors is an integer number (15378051).

Almost surely, 285170726 is an apocalyptic number.

85170726 is an abundant number, since it is smaller than the sum of its proper divisors (99365886).

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

85170726 is a wasteful number, since it uses less digits than its factorization.

85170726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731715 (or 4731712 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 85170726 is about 9228.7987300623. The cubic root of 85170726 is about 439.9771441296.

The spelling of 85170726 in words is "eighty-five million, one hundred seventy thousand, seven hundred twenty-six".

Divisors: 1 2 3 6 9 18 4731707 9463414 14195121 28390242 42585363 85170726