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85519655 = 5138914783
BaseRepresentation
bin1010001100011…
…10110100100111
312221220211220122
411012032310213
5133343112110
612252552155
72055622304
oct506166447
9187824818
1085519655
1144301201
122478265b
1314943860
14b5020ab
157794255
hex518ed27

85519655 has 16 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 62439168.

The previous prime is 85519619. The next prime is 85519663. The reversal of 85519655 is 55691558.

It is a cyclic number.

It is not a de Polignac number, because 85519655 - 26 = 85519591 is a prime.

It is a super-2 number, since 2×855196552 = 14627222782638050, which contains 22 as substring.

It is a congruent number.

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, 1607 + ... + 13176.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440).

Almost surely, 285519655 is an apocalyptic number.

85519655 is a deficient number, since it is larger than the sum of its proper divisors (26247385).

85519655 is a wasteful number, since it uses less digits than its factorization.

85519655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14890.

The product of its digits is 270000, while the sum is 44.

The square root of 85519655 is about 9247.6837640568. The cubic root of 85519655 is about 440.5771609783.

The spelling of 85519655 in words is "eighty-five million, five hundred nineteen thousand, six hundred fifty-five".

Divisors: 1 5 13 65 89 445 1157 5785 14783 73915 192179 960895 1315687 6578435 17103931 85519655