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86936121 = 3231463673
BaseRepresentation
bin1010010111010…
…00101000111001
320001120210221100
411023220220321
5134223423441
612343202013
72103642036
oct513505071
9201523840
1086936121
1145089438
1225146309
131501b4bc
14b79038d
157973cb6
hex52e8a39

86936121 has 24 divisors (see below), whose sum is σ = 130098176. Its totient is φ = 55883520.

The previous prime is 86936119. The next prime is 86936123. The reversal of 86936121 is 12163968.

It is an interprime number because it is at equal distance from previous prime (86936119) and next prime (86936123).

It is not a de Polignac number, because 86936121 - 21 = 86936119 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86936123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128841 + ... + 129513.

Almost surely, 286936121 is an apocalyptic number.

It is an amenable number.

86936121 is a deficient number, since it is larger than the sum of its proper divisors (43162055).

86936121 is a wasteful number, since it uses less digits than its factorization.

86936121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1170 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 86936121 is about 9323.9541504664. The cubic root of 86936121 is about 442.9962869988.

The spelling of 86936121 in words is "eighty-six million, nine hundred thirty-six thousand, one hundred twenty-one".

Divisors: 1 3 9 31 93 279 463 673 1389 2019 4167 6057 14353 20863 43059 62589 129177 187767 311599 934797 2804391 9659569 28978707 86936121