Search a number
-
+
85188804 = 22315494583
BaseRepresentation
bin1010001001111…
…10000011000100
312221022001001220
411010332003010
5133302020204
612241520340
72053043601
oct504760304
9187261056
1085188804
11440a5678
12246430b0
131485909c
14b4576a8
15772b1d9
hex513e0c4

85188804 has 24 divisors (see below), whose sum is σ = 198945600. Its totient is φ = 28371744.

The previous prime is 85188767. The next prime is 85188811. The reversal of 85188804 is 40888158.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16297 + ... + 20879.

It is an arithmetic number, because the mean of its divisors is an integer number (8289400).

Almost surely, 285188804 is an apocalyptic number.

It is an amenable number.

85188804 is an abundant number, since it is smaller than the sum of its proper divisors (113756796).

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

85188804 is a wasteful number, since it uses less digits than its factorization.

85188804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139 (or 6137 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 42.

The square root of 85188804 is about 9229.7781121758. The cubic root of 85188804 is about 440.0082711944.

The spelling of 85188804 in words is "eighty-five million, one hundred eighty-eight thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 1549 3098 4583 4647 6196 9166 9294 13749 18332 18588 27498 54996 7099067 14198134 21297201 28396268 42594402 85188804