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64285369 is a prime number
BaseRepresentation
bin1111010100111…
…0101010111001
311110222000221121
43311032222321
5112424112434
610213505241
71410262621
oct365165271
9143860847
1064285369
1133318605
1219642221
131041a6a5
148775881
15599c7b4
hex3d4eab9

64285369 has 2 divisors, whose sum is σ = 64285370. Its totient is φ = 64285368.

The previous prime is 64285363. The next prime is 64285421. The reversal of 64285369 is 96358246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61027344 + 3258025 = 7812^2 + 1805^2 .

It is a cyclic number.

It is not a de Polignac number, because 64285369 - 25 = 64285337 is a prime.

It is a super-2 number, since 2×642853692 = 8265217334932322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64285363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32142684 + 32142685.

It is an arithmetic number, because the mean of its divisors is an integer number (32142685).

Almost surely, 264285369 is an apocalyptic number.

It is an amenable number.

64285369 is a deficient number, since it is larger than the sum of its proper divisors (1).

64285369 is an equidigital number, since it uses as much as digits as its factorization.

64285369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 64285369 is about 8017.8157249964. The cubic root of 64285369 is about 400.5936373011.

The spelling of 64285369 in words is "sixty-four million, two hundred eighty-five thousand, three hundred sixty-nine".