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64707795 = 335479317
BaseRepresentation
bin1111011011010…
…1110011010011
311111202111102000
43312311303103
5113031122140
610230525043
71414002315
oct366656323
9144674360
1064707795
1133586a19
1219806783
1310537a49
1488457b5
155a32a30
hex3db5cd3

64707795 has 16 divisors (see below), whose sum is σ = 115036320. Its totient is φ = 34510752.

The previous prime is 64707791. The next prime is 64707829. The reversal of 64707795 is 59770746.

It is not a de Polignac number, because 64707795 - 22 = 64707791 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 64707795.

It is not an unprimeable number, because it can be changed into a prime (64707791) 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 in 15 ways as a sum of consecutive naturals, for example, 239524 + ... + 239793.

It is an arithmetic number, because the mean of its divisors is an integer number (7189770).

Almost surely, 264707795 is an apocalyptic number.

64707795 is a deficient number, since it is larger than the sum of its proper divisors (50328525).

64707795 is a wasteful number, since it uses less digits than its factorization.

64707795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479331 (or 479325 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 64707795 is about 8044.1155511343. The cubic root of 64707795 is about 401.4691701577.

The spelling of 64707795 in words is "sixty-four million, seven hundred seven thousand, seven hundred ninety-five".

Divisors: 1 3 5 9 15 27 45 135 479317 1437951 2396585 4313853 7189755 12941559 21569265 64707795