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86352881 = 6113710333
BaseRepresentation
bin1010010010110…
…10001111110001
320000111011212212
411021122033301
5134101243011
612322501505
72065662446
oct511321761
9200434785
1086352881
114482021a
1224b04895
1314b75ba4
14b67b9cd
1578ab08b
hex525a3f1

86352881 has 8 divisors (see below), whose sum is σ = 88417704. Its totient is φ = 84309120.

The previous prime is 86352869. The next prime is 86352899. The reversal of 86352881 is 18825368.

It can be written as a sum of positive squares in 4 ways, for example, as 5640625 + 80712256 = 2375^2 + 8984^2 .

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 86352881 - 26 = 86352817 is a prime.

It is a super-2 number, since 2×863528812 = 14913640114000322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86352821) 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, 3191 + ... + 13523.

It is an arithmetic number, because the mean of its divisors is an integer number (11052213).

Almost surely, 286352881 is an apocalyptic number.

It is an amenable number.

86352881 is a deficient number, since it is larger than the sum of its proper divisors (2064823).

86352881 is a wasteful number, since it uses less digits than its factorization.

86352881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531.

The product of its digits is 92160, while the sum is 41.

The square root of 86352881 is about 9292.6250865942. The cubic root of 86352881 is about 442.0034004639.

The spelling of 86352881 in words is "eighty-six million, three hundred fifty-two thousand, eight hundred eighty-one".

Divisors: 1 61 137 8357 10333 630313 1415621 86352881