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85511392 = 253186201
BaseRepresentation
bin1010001100011…
…00110011100000
312221220102120121
411012030303200
5133342331032
612252450024
72055556231
oct506146340
9187812517
1085511392
11442a5a7a
1224779914
131493cb75
14b4dd088
157791a97
hex518cce0

85511392 has 24 divisors (see below), whose sum is σ = 173783232. Its totient is φ = 41376000.

The previous prime is 85511383. The next prime is 85511399. The reversal of 85511392 is 29311558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85511399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42109 + ... + 44092.

It is an arithmetic number, because the mean of its divisors is an integer number (7240968).

Almost surely, 285511392 is an apocalyptic number.

It is an amenable number.

85511392 is an abundant number, since it is smaller than the sum of its proper divisors (88271840).

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

85511392 is a wasteful number, since it uses less digits than its factorization.

85511392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86242 (or 86234 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 85511392 is about 9247.2369927455. The cubic root of 85511392 is about 440.5629708434.

The spelling of 85511392 in words is "eighty-five million, five hundred eleven thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 86201 172402 344804 689608 1379216 2672231 2758432 5344462 10688924 21377848 42755696 85511392