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85519285 = 5196171459
BaseRepresentation
bin1010001100011…
…10101110110101
312221220211101221
411012032232311
5133343104120
612252550341
72055621235
oct506165665
9187824357
1085519285
11443009a5
12247823b1
1314943637
14b501cc5
1577940aa
hex518ebb5

85519285 has 16 divisors (see below), whose sum is σ = 108273600. Its totient is φ = 64665216.

The previous prime is 85519283. The next prime is 85519319. The reversal of 85519285 is 58291558.

It is a cyclic number.

It is not a de Polignac number, because 85519285 - 21 = 85519283 is a prime.

It is a super-2 number, since 2×855192852 = 14627096213822450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85519283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57886 + ... + 59344.

It is an arithmetic number, because the mean of its divisors is an integer number (6767100).

Almost surely, 285519285 is an apocalyptic number.

It is an amenable number.

85519285 is a deficient number, since it is larger than the sum of its proper divisors (22754315).

85519285 is a wasteful number, since it uses less digits than its factorization.

85519285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100.

The product of its digits is 144000, while the sum is 43.

The square root of 85519285 is about 9247.6637590258. The cubic root of 85519285 is about 440.5765255931.

The spelling of 85519285 in words is "eighty-five million, five hundred nineteen thousand, two hundred eighty-five".

Divisors: 1 5 19 95 617 1459 3085 7295 11723 27721 58615 138605 900203 4501015 17103857 85519285