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64250868 = 223112321163
BaseRepresentation
bin1111010100011…
…0001111110100
311110220021121210
43311012033310
5112422011433
610213041420
71410060213
oct365061764
9143807553
1064250868
11332a46a0
1219626270
1310407a86
14876707a
155992463
hex3d463f4

64250868 has 48 divisors (see below), whose sum is σ = 170666496. Its totient is φ = 18622560.

The previous prime is 64250861. The next prime is 64250869. The reversal of 64250868 is 86805246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64250861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7546 + ... + 13617.

It is an arithmetic number, because the mean of its divisors is an integer number (3555552).

Almost surely, 264250868 is an apocalyptic number.

It is an amenable number.

64250868 is an abundant number, since it is smaller than the sum of its proper divisors (106415628).

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

64250868 is a wasteful number, since it uses less digits than its factorization.

64250868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21204 (or 21202 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 64250868 is about 8015.6639151102. The cubic root of 64250868 is about 400.5219602641.

The spelling of 64250868 in words is "sixty-four million, two hundred fifty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 23 33 44 46 66 69 92 132 138 253 276 506 759 1012 1518 3036 21163 42326 63489 84652 126978 232793 253956 465586 486749 698379 931172 973498 1396758 1460247 1946996 2793516 2920494 5354239 5840988 10708478 16062717 21416956 32125434 64250868