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64275287 is a prime number
BaseRepresentation
bin1111010100110…
…0001101010111
311110221112010012
43311030031113
5112423302122
610213350435
71410221336
oct365141527
9143845105
1064275287
1133310a7a
121963841b
1310415c1b
148771d1d
1559997e2
hex3d4c357

64275287 has 2 divisors, whose sum is σ = 64275288. Its totient is φ = 64275286.

The previous prime is 64275257. The next prime is 64275319. The reversal of 64275287 is 78257246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64275287 - 214 = 64258903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64275217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32137643 + 32137644.

It is an arithmetic number, because the mean of its divisors is an integer number (32137644).

Almost surely, 264275287 is an apocalyptic number.

64275287 is a deficient number, since it is larger than the sum of its proper divisors (1).

64275287 is an equidigital number, since it uses as much as digits as its factorization.

64275287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 41.

The square root of 64275287 is about 8017.1869754921. The cubic root of 64275287 is about 400.5726942453.

The spelling of 64275287 in words is "sixty-four million, two hundred seventy-five thousand, two hundred eighty-seven".