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86315208 = 2337513781
BaseRepresentation
bin1010010010100…
…01000011001000
320000102021012120
411021101003020
5134044041313
612322011240
72065444560
oct511210310
9200367176
1086315208
11447a4991
1224aa6b20
1314b619b5
14b66bda0
15789ed23
hex52510c8

86315208 has 32 divisors (see below), whose sum is σ = 246615360. Its totient is φ = 24661440.

The previous prime is 86315189. The next prime is 86315213. The reversal of 86315208 is 80251368.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256723 + ... + 257058.

It is an arithmetic number, because the mean of its divisors is an integer number (7706730).

Almost surely, 286315208 is an apocalyptic number.

It is an amenable number.

86315208 is an abundant number, since it is smaller than the sum of its proper divisors (160300152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86315208 is a wasteful number, since it uses less digits than its factorization.

86315208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513797 (or 513793 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 86315208 is about 9290.5978279118. The cubic root of 86315208 is about 441.9391137988.

The spelling of 86315208 in words is "eighty-six million, three hundred fifteen thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 513781 1027562 1541343 2055124 3082686 3596467 4110248 6165372 7192934 10789401 12330744 14385868 21578802 28771736 43157604 86315208