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86580678 = 2314430113
BaseRepresentation
bin1010010100100…
…01110111000110
320000220202100210
411022101313012
5134131040203
612331420250
72100631542
oct512216706
9200822323
1086580678
1144966388
1224bb4686
1314c25792
14b6daa22
157903803
hex5291dc6

86580678 has 8 divisors (see below), whose sum is σ = 173161368. Its totient is φ = 28860224.

The previous prime is 86580673. The next prime is 86580679. The reversal of 86580678 is 87608568.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

86580678 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86580673) 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 3 ways as a sum of consecutive naturals, for example, 7215051 + ... + 7215062.

It is an arithmetic number, because the mean of its divisors is an integer number (21645171).

Almost surely, 286580678 is an apocalyptic number.

86580678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86580678 is a wasteful number, since it uses less digits than its factorization.

86580678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430118.

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 86580678 is about 9304.8738841534. The cubic root of 86580678 is about 442.3917242821.

The spelling of 86580678 in words is "eighty-six million, five hundred eighty thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 14430113 28860226 43290339 86580678