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86180394 = 2383173053
BaseRepresentation
bin1010010001100…
…00001000101010
320000011102021110
411020300020222
5134030233034
612315051150
72064343536
oct510601052
9200142243
1086180394
1144712673
1224a40ab6
1314b15521
14b634bc6
157874de9
hex523022a

86180394 has 16 divisors (see below), whose sum is σ = 174438432. Its totient is φ = 28380528.

The previous prime is 86180377. The next prime is 86180399. The reversal of 86180394 is 49308168.

It is not an unprimeable number, because it can be changed into a prime (86180399) 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, 86029 + ... + 87024.

It is an arithmetic number, because the mean of its divisors is an integer number (10902402).

Almost surely, 286180394 is an apocalyptic number.

86180394 is an abundant number, since it is smaller than the sum of its proper divisors (88258038).

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

86180394 is a wasteful number, since it uses less digits than its factorization.

86180394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173141.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 86180394 is about 9283.3395930559. The cubic root of 86180394 is about 441.7089086135.

The spelling of 86180394 in words is "eighty-six million, one hundred eighty thousand, three hundred ninety-four".

Divisors: 1 2 3 6 83 166 249 498 173053 346106 519159 1038318 14363399 28726798 43090197 86180394