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86149074 = 23111305289
BaseRepresentation
bin1010010001010…
…00011111010010
320000002211022110
411020220133102
5134023232244
612314250150
72064153324
oct510503722
9200084273
1086149074
11446a1090
1224a26956
1314b041ab
14b627614
15786a9b9
hex52287d2

86149074 has 16 divisors (see below), whose sum is σ = 187961760. Its totient is φ = 26105760.

The previous prime is 86149033. The next prime is 86149079. The reversal of 86149074 is 47094168.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86149079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652579 + ... + 652710.

It is an arithmetic number, because the mean of its divisors is an integer number (11747610).

Almost surely, 286149074 is an apocalyptic number.

86149074 is an abundant number, since it is smaller than the sum of its proper divisors (101812686).

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

86149074 is a wasteful number, since it uses less digits than its factorization.

86149074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305305.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 86149074 is about 9281.6525468259. The cubic root of 86149074 is about 441.6553929641.

The spelling of 86149074 in words is "eighty-six million, one hundred forty-nine thousand, seventy-four".

Divisors: 1 2 3 6 11 22 33 66 1305289 2610578 3915867 7831734 14358179 28716358 43074537 86149074