Base | Representation |
---|---|
bin | 1100010000110… |
… | …01100000011101 |
3 | 21011120002011001 |
4 | 12020121200131 |
5 | 202313134200 |
6 | 14112430301 |
7 | 2356223512 |
oct | 610314035 |
9 | 234502131 |
10 | 102864925 |
11 | 53078a39 |
12 | 2a548391 |
13 | 18407827 |
14 | d939309 |
15 | 906d76a |
hex | 621981d |
102864925 has 6 divisors (see below), whose sum is σ = 127552538. Its totient is φ = 82291920.
The previous prime is 102864893. The next prime is 102864953. The reversal of 102864925 is 529468201.
It can be written as a sum of positive squares in 3 ways, for example, as 4761 + 102860164 = 69^2 + 10142^2 .
It is not a de Polignac number, because 102864925 - 25 = 102864893 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 (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2057274 + ... + 2057323.
Almost surely, 2102864925 is an apocalyptic number.
It is an amenable number.
102864925 is a deficient number, since it is larger than the sum of its proper divisors (24687613).
102864925 is an equidigital number, since it uses as much as digits as its factorization.
102864925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4114607 (or 4114602 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 102864925 is about 10142.2347143024. The cubic root of 102864925 is about 468.5498155584.
The spelling of 102864925 in words is "one hundred two million, eight hundred sixty-four thousand, nine hundred twenty-five".
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