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89809344 = 263351973
BaseRepresentation
bin1010101101001…
…10000111000000
320020222210021000
411112212013000
5140442344334
612524532000
72140236552
oct526460700
9206883230
1089809344
11467710a9
12260b1000
13157b6231
14bcdb4d2
157d40299
hex55a61c0

89809344 has 56 divisors (see below), whose sum is σ = 264027920. Its totient is φ = 29935872.

The previous prime is 89809337. The next prime is 89809361. The reversal of 89809344 is 44390898.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 89809344.

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, 24259 + ... + 27714.

Almost surely, 289809344 is an apocalyptic number.

It is an amenable number.

89809344 is an abundant number, since it is smaller than the sum of its proper divisors (174218576).

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

89809344 is a wasteful number, since it uses less digits than its factorization.

89809344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51994 (or 51978 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 89809344 is about 9476.7791997070. The cubic root of 89809344 is about 447.8238040115.

The spelling of 89809344 in words is "eighty-nine million, eight hundred nine thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 51973 103946 155919 207892 311838 415784 467757 623676 831568 935514 1247352 1403271 1663136 1871028 2494704 2806542 3326272 3742056 4989408 5613084 7484112 9978816 11226168 14968224 22452336 29936448 44904672 89809344