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89760864 = 2531949211
BaseRepresentation
bin1010101100110…
…10010001100000
320020220022202110
411112122101200
5140434321424
612523515320
72136645324
oct526322140
9206808673
1089760864
1146738736
1226088b40
131579a14b
14bcc7984
157d30c29
hex559a460

89760864 has 48 divisors (see below), whose sum is σ = 248028480. Its totient is φ = 28344960.

The previous prime is 89760859. The next prime is 89760899. The reversal of 89760864 is 46806798.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22782 + ... + 26429.

It is an arithmetic number, because the mean of its divisors is an integer number (5167260).

Almost surely, 289760864 is an apocalyptic number.

It is an amenable number.

89760864 is an abundant number, since it is smaller than the sum of its proper divisors (158267616).

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

89760864 is a wasteful number, since it uses less digits than its factorization.

89760864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49243 (or 49235 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 89760864 is about 9474.2210233876. The cubic root of 89760864 is about 447.7432095553.

The spelling of 89760864 in words is "eighty-nine million, seven hundred sixty thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1824 49211 98422 147633 196844 295266 393688 590532 787376 935009 1181064 1574752 1870018 2362128 2805027 3740036 4724256 5610054 7480072 11220108 14960144 22440216 29920288 44880432 89760864