Base | Representation |
---|---|
bin | 1100100000000… |
… | …10000000001101 |
3 | 21022022201211201 |
4 | 12100002000031 |
5 | 203321201210 |
6 | 14223345501 |
7 | 2412226132 |
oct | 620020015 |
9 | 238281751 |
10 | 104865805 |
11 | 54215260 |
12 | 2b152291 |
13 | 18958495 |
14 | dcda589 |
15 | 931653a |
hex | 640200d |
104865805 has 16 divisors (see below), whose sum is σ = 138369024. Its totient is φ = 75660480.
The previous prime is 104865799. The next prime is 104865841. The reversal of 104865805 is 508568401.
It is not a de Polignac number, because 104865805 - 23 = 104865797 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522 + ... + 14491.
It is an arithmetic number, because the mean of its divisors is an integer number (8648064).
Almost surely, 2104865805 is an apocalyptic number.
It is an amenable number.
104865805 is a deficient number, since it is larger than the sum of its proper divisors (33503219).
104865805 is a wasteful number, since it uses less digits than its factorization.
104865805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15156.
The product of its (nonzero) digits is 38400, while the sum is 37.
The square root of 104865805 is about 10240.4006269286. The cubic root of 104865805 is about 471.5683310976.
The spelling of 104865805 in words is "one hundred four million, eight hundred sixty-five thousand, eight hundred five".
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