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86676931 = 1117463513
BaseRepresentation
bin1010010101010…
…01010111000011
320001002122101201
411022221113003
5134142130211
612333442031
72101512265
oct512512703
9201078351
1086676931
1144a21730
1225040317
1314c5a533
14b723b35
1579220c1
hex52a95c3

86676931 has 8 divisors (see below), whose sum is σ = 100119024. Its totient is φ = 74161920.

The previous prime is 86676923. The next prime is 86676971. The reversal of 86676931 is 13967668.

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

It is a cyclic number.

It is not a de Polignac number, because 86676931 - 23 = 86676923 is a prime.

It is a super-2 number, since 2×866769312 = 15025780735157522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86676971) 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 7 ways as a sum of consecutive naturals, for example, 231570 + ... + 231943.

It is an arithmetic number, because the mean of its divisors is an integer number (12514878).

Almost surely, 286676931 is an apocalyptic number.

86676931 is a deficient number, since it is larger than the sum of its proper divisors (13442093).

86676931 is a wasteful number, since it uses less digits than its factorization.

86676931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463541.

The product of its digits is 326592, while the sum is 46.

The square root of 86676931 is about 9310.0446293237. The cubic root of 86676931 is about 442.5556013421. Note that the first 3 decimals are identical.

The spelling of 86676931 in words is "eighty-six million, six hundred seventy-six thousand, nine hundred thirty-one".

Divisors: 1 11 17 187 463513 5098643 7879721 86676931