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64288589 is a prime number
BaseRepresentation
bin1111010100111…
…1011101001101
311110222012100212
43311033131031
5112424213324
610213532205
71410305201
oct365173515
9143865325
1064288589
113331aa72
1219644065
131041bcb1
148776b01
15599d70e
hex3d4f74d

64288589 has 2 divisors, whose sum is σ = 64288590. Its totient is φ = 64288588.

The previous prime is 64288561. The next prime is 64288607. The reversal of 64288589 is 98588246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47748100 + 16540489 = 6910^2 + 4067^2 .

It is a cyclic number.

It is not a de Polignac number, because 64288589 - 216 = 64223053 is a prime.

It is a super-2 number, since 2×642885892 = 8266045351221842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64288559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32144294 + 32144295.

It is an arithmetic number, because the mean of its divisors is an integer number (32144295).

Almost surely, 264288589 is an apocalyptic number.

It is an amenable number.

64288589 is a deficient number, since it is larger than the sum of its proper divisors (1).

64288589 is an equidigital number, since it uses as much as digits as its factorization.

64288589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 50.

The square root of 64288589 is about 8018.0165253010. The cubic root of 64288589 is about 400.6003256554.

The spelling of 64288589 in words is "sixty-four million, two hundred eighty-eight thousand, five hundred eighty-nine".