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64125008 = 244007813
BaseRepresentation
bin1111010010011…
…1100001010000
311110122212222022
43310213201100
5112404000013
610210231012
71406024243
oct364474120
9143585868
1064125008
1133219082
1219585468
13103926bc
14873325a
15596a008
hex3d27850

64125008 has 10 divisors (see below), whose sum is σ = 124242234. Its totient is φ = 32062496.

The previous prime is 64124987. The next prime is 64125029. The reversal of 64125008 is 80052146.

It is an interprime number because it is at equal distance from previous prime (64124987) and next prime (64125029).

It can be written as a sum of positive squares in only one way, i.e., 50523664 + 13601344 = 7108^2 + 3688^2 .

It is a super-2 number, since 2×641250082 = 8224033302000128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003891 + ... + 2003922.

Almost surely, 264125008 is an apocalyptic number.

It is an amenable number.

64125008 is a deficient number, since it is larger than the sum of its proper divisors (60117226).

64125008 is a wasteful number, since it uses less digits than its factorization.

64125008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007821 (or 4007815 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 64125008 is about 8007.8091885359. The cubic root of 64125008 is about 400.2602639533.

The spelling of 64125008 in words is "sixty-four million, one hundred twenty-five thousand, eight".

Divisors: 1 2 4 8 16 4007813 8015626 16031252 32062504 64125008