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64044344 = 2371387973
BaseRepresentation
bin1111010001001…
…1110100111000
311110111210022202
43310103310320
5112343404334
610204405332
71405240130
oct364236470
9143453282
1064044344
1133173511
1219546848
1310364a80
148711ac0
15595117e
hex3d13d38

64044344 has 32 divisors (see below), whose sum is σ = 147796320. Its totient is φ = 25335936.

The previous prime is 64044319. The next prime is 64044353. The reversal of 64044344 is 44344046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43259 + ... + 44714.

It is an arithmetic number, because the mean of its divisors is an integer number (4618635).

Almost surely, 264044344 is an apocalyptic number.

It is an amenable number.

64044344 is an abundant number, since it is smaller than the sum of its proper divisors (83751976).

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

64044344 is a wasteful number, since it uses less digits than its factorization.

64044344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87999 (or 87995 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 64044344 is about 8002.7710200905. The cubic root of 64044344 is about 400.0923620048.

The spelling of 64044344 in words is "sixty-four million, forty-four thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 87973 175946 351892 615811 703784 1143649 1231622 2287298 2463244 4574596 4926488 8005543 9149192 16011086 32022172 64044344