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104064865 = 520812973
BaseRepresentation
bin1100011001111…
…10011101100001
321020211001011021
412030332131201
5203120033430
614154245441
72402352052
oct614763541
9236731137
10104064865
1153818523
122aa26881
1318737a58
14db6c729
15920907a
hex633e761

104064865 has 4 divisors (see below), whose sum is σ = 124877844. Its totient is φ = 83251888.

The previous prime is 104064853. The next prime is 104064887. The reversal of 104064865 is 568460401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55845729 + 48219136 = 7473^2 + 6944^2 .

It is a cyclic number.

It is not a de Polignac number, because 104064865 - 25 = 104064833 is a prime.

It is a super-2 number, since 2×1040648652 = 21658992254936450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104064865.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10406482 + ... + 10406491.

It is an arithmetic number, because the mean of its divisors is an integer number (31219461).

Almost surely, 2104064865 is an apocalyptic number.

It is an amenable number.

104064865 is a deficient number, since it is larger than the sum of its proper divisors (20812979).

104064865 is an equidigital number, since it uses as much as digits as its factorization.

104064865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20812978.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 104064865 is about 10201.2187997317. The cubic root of 104064865 is about 470.3646860228.

The spelling of 104064865 in words is "one hundred four million, sixty-four thousand, eight hundred sixty-five".

Divisors: 1 5 20812973 104064865