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86686345 = 5103168323
BaseRepresentation
bin1010010101010…
…11101010001001
320001010010022101
411022223222021
5134142430340
612333553401
72101551604
oct512535211
9201103271
1086686345
1144a28809
1225045861
1314c618c5
14b72733b
157924c9a
hex52aba89

86686345 has 8 divisors (see below), whose sum is σ = 105034176. Its totient is φ = 68675376.

The previous prime is 86686343. The next prime is 86686363. The reversal of 86686345 is 54368668.

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 86686345 - 21 = 86686343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86686295 and 86686304.

It is not an unprimeable number, because it can be changed into a prime (86686343) 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, 83647 + ... + 84676.

It is an arithmetic number, because the mean of its divisors is an integer number (13129272).

Almost surely, 286686345 is an apocalyptic number.

It is an amenable number.

86686345 is a deficient number, since it is larger than the sum of its proper divisors (18347831).

86686345 is a wasteful number, since it uses less digits than its factorization.

86686345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168431.

The product of its digits is 829440, while the sum is 46.

The square root of 86686345 is about 9310.5501985651. The cubic root of 86686345 is about 442.5716227815.

The spelling of 86686345 in words is "eighty-six million, six hundred eighty-six thousand, three hundred forty-five".

Divisors: 1 5 103 515 168323 841615 17337269 86686345