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86577139 = 1119939551
BaseRepresentation
bin1010010100100…
…00111111110011
320000220120111201
411022100333303
5134130432024
612331352031
72100615325
oct512207763
9200816451
1086577139
1144963760
1224bb2617
1314c23c9c
14b6d9615
157902744
hex5290ff3

86577139 has 8 divisors (see below), whose sum is σ = 94924800. Its totient is φ = 78309000.

The previous prime is 86577121. The next prime is 86577163. The reversal of 86577139 is 93177568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-86577139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86577739) 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, 17587 + ... + 21964.

It is an arithmetic number, because the mean of its divisors is an integer number (11865600).

Almost surely, 286577139 is an apocalyptic number.

86577139 is a deficient number, since it is larger than the sum of its proper divisors (8347661).

86577139 is a wasteful number, since it uses less digits than its factorization.

86577139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39761.

The product of its digits is 317520, while the sum is 46.

The square root of 86577139 is about 9304.6837130555. The cubic root of 86577139 is about 442.3856965876.

The spelling of 86577139 in words is "eighty-six million, five hundred seventy-seven thousand, one hundred thirty-nine".

Divisors: 1 11 199 2189 39551 435061 7870649 86577139