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85188008 = 2359317957
BaseRepresentation
bin1010001001111…
…01110110101000
312221021222222102
411010331312220
5133302004013
612241512532
72053041353
oct504756650
9187258872
1085188008
11440a5014
1224642748
1314858909
14b45729a
15772ad58
hex513dda8

85188008 has 16 divisors (see below), whose sum is σ = 160005780. Its totient is φ = 42519808.

The previous prime is 85187989. The next prime is 85188011. The reversal of 85188008 is 80088158.

It can be written as a sum of positive squares in 2 ways, for example, as 69522244 + 15665764 = 8338^2 + 3958^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4235 + ... + 13722.

Almost surely, 285188008 is an apocalyptic number.

It is an amenable number.

85188008 is a deficient number, since it is larger than the sum of its proper divisors (74817772).

85188008 is a wasteful number, since it uses less digits than its factorization.

85188008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18556 (or 18552 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 38.

The square root of 85188008 is about 9229.7349907784. The cubic root of 85188008 is about 440.0069007182.

The spelling of 85188008 in words is "eighty-five million, one hundred eighty-eight thousand, eight".

Divisors: 1 2 4 8 593 1186 2372 4744 17957 35914 71828 143656 10648501 21297002 42594004 85188008