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85025528 = 2371518313
BaseRepresentation
bin1010001000101…
…10001011111000
312220222202002122
411010112023320
5133231304103
612234220412
72051463560
oct504261370
9186882078
1085025528
1143aa3a35
1224584708
13147cc983
14b413da0
1576e7b38
hex51162f8

85025528 has 16 divisors (see below), whose sum is σ = 182197680. Its totient is φ = 36439488.

The previous prime is 85025489. The next prime is 85025531. The reversal of 85025528 is 82552058.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759101 + ... + 759212.

It is an arithmetic number, because the mean of its divisors is an integer number (11387355).

Almost surely, 285025528 is an apocalyptic number.

It is an amenable number.

85025528 is an abundant number, since it is smaller than the sum of its proper divisors (97172152).

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

85025528 is a wasteful number, since it uses less digits than its factorization.

85025528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518326 (or 1518322 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 85025528 is about 9220.9288035425. The cubic root of 85025528 is about 439.7269793857.

The spelling of 85025528 in words is "eighty-five million, twenty-five thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 1518313 3036626 6073252 10628191 12146504 21256382 42512764 85025528