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64008239 is a prime number
BaseRepresentation
bin1111010000101…
…1000000101111
311110102221210112
43310023000233
5112341230424
610203530235
71405026641
oct364130057
9143387715
1064008239
1133149379
121952997b
13103514c9
148702891
15594560e
hex3d0b02f

64008239 has 2 divisors, whose sum is σ = 64008240. Its totient is φ = 64008238.

The previous prime is 64008229. The next prime is 64008271. The reversal of 64008239 is 93280046.

64008239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (64008271) can be obtained adding 64008239 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64008239 - 24 = 64008223 is a prime.

It is a super-2 number, since 2×640082392 = 8194109319762242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64008229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32004119 + 32004120.

It is an arithmetic number, because the mean of its divisors is an integer number (32004120).

Almost surely, 264008239 is an apocalyptic number.

64008239 is a deficient number, since it is larger than the sum of its proper divisors (1).

64008239 is an equidigital number, since it uses as much as digits as its factorization.

64008239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 64008239 is about 8000.5149209285. The cubic root of 64008239 is about 400.0171638468.

The spelling of 64008239 in words is "sixty-four million, eight thousand, two hundred thirty-nine".