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64790682 = 23113131667
BaseRepresentation
bin1111011100101…
…0000010011010
311111220201002220
43313022002122
5113041300212
610232404510
71414466055
oct367120232
9144821086
1064790682
1133633220
1219846736
13105666a8
148867a9c
155a4c38c
hex3dca09a

64790682 has 32 divisors (see below), whose sum is σ = 145926144. Its totient is φ = 18999600.

The previous prime is 64790657. The next prime is 64790699. The reversal of 64790682 is 28609746.

64790682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13788 + ... + 17879.

It is an arithmetic number, because the mean of its divisors is an integer number (4560192).

Almost surely, 264790682 is an apocalyptic number.

64790682 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64790682 is an abundant number, since it is smaller than the sum of its proper divisors (81135462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64790682 is a wasteful number, since it uses less digits than its factorization.

64790682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31714.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 64790682 is about 8049.2659292634. The cubic root of 64790682 is about 401.6405167307.

The spelling of 64790682 in words is "sixty-four million, seven hundred ninety thousand, six hundred eighty-two".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 186 341 682 1023 2046 31667 63334 95001 190002 348337 696674 981677 1045011 1963354 2090022 2945031 5890062 10798447 21596894 32395341 64790682