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64875368 = 238109421
BaseRepresentation
bin1111011101111…
…0101101101000
311112002000021102
43313132231220
5113102002433
610234300532
71415301005
oct367365550
9145060242
1064875368
1133690908
1219887748
13105960bc
14888a8ac
155a674e8
hex3ddeb68

64875368 has 8 divisors (see below), whose sum is σ = 121641330. Its totient is φ = 32437680.

The previous prime is 64875359. The next prime is 64875379. The reversal of 64875368 is 86357846.

It can be written as a sum of positive squares in only one way, i.e., 56220004 + 8655364 = 7498^2 + 2942^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 4054703 + ... + 4054718.

Almost surely, 264875368 is an apocalyptic number.

It is an amenable number.

64875368 is a deficient number, since it is larger than the sum of its proper divisors (56765962).

64875368 is a wasteful number, since it uses less digits than its factorization.

64875368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8109427 (or 8109423 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 64875368 is about 8054.5246911286. The cubic root of 64875368 is about 401.8154313903.

The spelling of 64875368 in words is "sixty-four million, eight hundred seventy-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 8109421 16218842 32437684 64875368