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85267585 = 5138811489
BaseRepresentation
bin1010001010100…
…01010010000001
312221110001010201
411011101102001
5133312030320
612243325201
72053522354
oct505212201
9187401121
1085267585
1144149887
1224680801
1314885bc0
14b47829b
15774470a
hex5151481

85267585 has 16 divisors (see below), whose sum is σ = 110391120. Its totient is φ = 62853120.

The previous prime is 85267561. The next prime is 85267591. The reversal of 85267585 is 58576258.

It can be written as a sum of positive squares in 8 ways, for example, as 26790976 + 58476609 = 5176^2 + 7647^2 .

It is not a de Polignac number, because 85267585 - 225 = 51713153 is a prime.

It is a super-2 number, since 2×852675852 = 14541122103464450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56521 + ... + 58009.

It is an arithmetic number, because the mean of its divisors is an integer number (6899445).

Almost surely, 285267585 is an apocalyptic number.

It is an amenable number.

85267585 is a deficient number, since it is larger than the sum of its proper divisors (25123535).

85267585 is a wasteful number, since it uses less digits than its factorization.

85267585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388.

The product of its digits is 672000, while the sum is 46.

The square root of 85267585 is about 9234.0448883466. The cubic root of 85267585 is about 440.1438665224.

The spelling of 85267585 in words is "eighty-five million, two hundred sixty-seven thousand, five hundred eighty-five".

Divisors: 1 5 13 65 881 1489 4405 7445 11453 19357 57265 96785 1311809 6559045 17053517 85267585