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64286507 is a prime number
BaseRepresentation
bin1111010100111…
…0111100101011
311110222002111202
43311032330223
5112424132012
610213514415
71410266135
oct365167453
9143862452
1064286507
113331944a
1219642a0b
131041b06c
148776055
15599ccc2
hex3d4ef2b

64286507 has 2 divisors, whose sum is σ = 64286508. Its totient is φ = 64286506.

The previous prime is 64286471. The next prime is 64286539. The reversal of 64286507 is 70568246.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64286507 - 212 = 64282411 is a prime.

It is a super-2 number, since 2×642865072 = 8265509964522098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64286407) 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, 32143253 + 32143254.

It is an arithmetic number, because the mean of its divisors is an integer number (32143254).

Almost surely, 264286507 is an apocalyptic number.

64286507 is a deficient number, since it is larger than the sum of its proper divisors (1).

64286507 is an equidigital number, since it uses as much as digits as its factorization.

64286507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 64286507 is about 8017.8866916414. The cubic root of 64286507 is about 400.5960010990.

The spelling of 64286507 in words is "sixty-four million, two hundred eighty-six thousand, five hundred seven".