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86500345 = 539743577
BaseRepresentation
bin1010010011111…
…10001111111001
320000202200011111
411021332033321
5134121002340
612330000321
72100145411
oct511761771
9200680144
1086500345
1144910a98
1224b760a1
1314bc8049
14b6b9641
1578d9aea
hex527e3f9

86500345 has 8 divisors (see below), whose sum is σ = 104064264. Its totient is φ = 69024384.

The previous prime is 86500319. The next prime is 86500357. The reversal of 86500345 is 54300568.

It can be written as a sum of positive squares in 4 ways, for example, as 6594624 + 79905721 = 2568^2 + 8939^2 .

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 86500345 - 211 = 86498297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19804 + ... + 23773.

It is an arithmetic number, because the mean of its divisors is an integer number (13008033).

Almost surely, 286500345 is an apocalyptic number.

It is an amenable number.

86500345 is a deficient number, since it is larger than the sum of its proper divisors (17563919).

86500345 is a wasteful number, since it uses less digits than its factorization.

86500345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43979.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 86500345 is about 9300.5561661655. The cubic root of 86500345 is about 442.2548590590.

The spelling of 86500345 in words is "eighty-six million, five hundred thousand, three hundred forty-five".

Divisors: 1 5 397 1985 43577 217885 17300069 86500345