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86288874 = 2374347779
BaseRepresentation
bin1010010010010…
…10100111101010
320000100221002020
411021022213222
5134042220444
612321245310
72065305030
oct511124752
9200327066
1086288874
1144787121
1224a93836
1314b52a09
14b662550
157897119
hex524a9ea

86288874 has 32 divisors (see below), whose sum is σ = 201822720. Its totient is φ = 24080112.

The previous prime is 86288863. The next prime is 86288879. The reversal of 86288874 is 47888268.

It is not an unprimeable number, because it can be changed into a prime (86288879) 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 15 ways as a sum of consecutive naturals, for example, 22084 + ... + 25695.

It is an arithmetic number, because the mean of its divisors is an integer number (6306960).

Almost surely, 286288874 is an apocalyptic number.

86288874 is an abundant number, since it is smaller than the sum of its proper divisors (115533846).

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

86288874 is a wasteful number, since it uses less digits than its factorization.

86288874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47834.

The product of its digits is 1376256, while the sum is 51.

The square root of 86288874 is about 9289.1804805376. The cubic root of 86288874 is about 441.8941653336.

The spelling of 86288874 in words is "eighty-six million, two hundred eighty-eight thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 43 86 129 258 301 602 903 1806 47779 95558 143337 286674 334453 668906 1003359 2006718 2054497 4108994 6163491 12326982 14381479 28762958 43144437 86288874