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89456864 = 2571921019
BaseRepresentation
bin1010101010100…
…00000011100000
320020022212202012
411111100003200
5140400104424
612513212052
72134241120
oct525200340
9206285665
1089456864
11465502a2
1225b61028
13156c1973
14bc48c80
157cc0b0e
hex55500e0

89456864 has 48 divisors (see below), whose sum is σ = 211881600. Its totient is φ = 36319104.

The previous prime is 89456863. The next prime is 89456879. The reversal of 89456864 is 46865498.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89456863) 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, 6254 + ... + 14765.

It is an arithmetic number, because the mean of its divisors is an integer number (4414200).

Almost surely, 289456864 is an apocalyptic number.

It is an amenable number.

89456864 is an abundant number, since it is smaller than the sum of its proper divisors (122424736).

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

89456864 is a wasteful number, since it uses less digits than its factorization.

89456864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21055 (or 21047 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 89456864 is about 9458.1638810078. The cubic root of 89456864 is about 447.2371690907.

The spelling of 89456864 in words is "eighty-nine million, four hundred fifty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 76 112 133 152 224 266 304 532 608 1064 2128 4256 21019 42038 84076 147133 168152 294266 336304 399361 588532 672608 798722 1177064 1597444 2354128 2795527 3194888 4708256 5591054 6389776 11182108 12779552 22364216 44728432 89456864