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86574144 = 2632112137
BaseRepresentation
bin1010010100100…
…00010001000000
320000220102101210
411022100101000
5134130333034
612331330120
72100603516
oct512202100
9200812353
1086574144
1144961488
1224bb0940
1314c22807
14b6d84b6
1579018e9
hex5290440

86574144 has 56 divisors (see below), whose sum is σ = 230254048. Its totient is φ = 28707840.

The previous prime is 86574121. The next prime is 86574151. The reversal of 86574144 is 44147568.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39444 + ... + 41580.

Almost surely, 286574144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86574144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115127024).

86574144 is an abundant number, since it is smaller than the sum of its proper divisors (143679904).

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

86574144 is a wasteful number, since it uses less digits than its factorization.

86574144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363 (or 2353 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 86574144 is about 9304.5227712119. The cubic root of 86574144 is about 442.3805953162.

The spelling of 86574144 in words is "eighty-six million, five hundred seventy-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 211 422 633 844 1266 1688 2137 2532 3376 4274 5064 6411 6752 8548 10128 12822 13504 17096 20256 25644 34192 40512 51288 68384 102576 136768 205152 410304 450907 901814 1352721 1803628 2705442 3607256 5410884 7214512 10821768 14429024 21643536 28858048 43287072 86574144