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86413031 = 748111551
BaseRepresentation
bin1010010011010…
…00111011100111
320000121020101122
411021220323213
5134110204111
612324044155
72066333015
oct511507347
9200536348
1086413031
1144861431
1224b3365b
1314b97393
14b6958b5
1578bdcdb
hex5268ee7

86413031 has 4 divisors (see below), whose sum is σ = 86432064. Its totient is φ = 86394000.

The previous prime is 86413013. The next prime is 86413039. The reversal of 86413031 is 13031468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86413031 - 26 = 86412967 is a prime.

It is a super-2 number, since 2×864130312 = 14934423853213922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86413039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706 + ... + 13256.

It is an arithmetic number, because the mean of its divisors is an integer number (21608016).

Almost surely, 286413031 is an apocalyptic number.

86413031 is a deficient number, since it is larger than the sum of its proper divisors (19033).

86413031 is a wasteful number, since it uses less digits than its factorization.

86413031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19032.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 86413031 is about 9295.8609606642. The cubic root of 86413031 is about 442.1060040041.

Adding to 86413031 its reverse (13031468), we get a palindrome (99444499).

The spelling of 86413031 in words is "eighty-six million, four hundred thirteen thousand, thirty-one".

Divisors: 1 7481 11551 86413031