Base | Representation |
---|---|
bin | 110101001010… |
… | …110010100001 |
3 | 222020010002202 |
4 | 311022302201 |
5 | 12032002300 |
6 | 1214422545 |
7 | 226320026 |
oct | 65126241 |
9 | 28203082 |
10 | 13937825 |
11 | 795a770 |
12 | 4801a55 |
13 | 2b70045 |
14 | 1bcb54d |
15 | 1354ad5 |
hex | d4aca1 |
13937825 has 12 divisors (see below), whose sum is σ = 18854448. Its totient is φ = 10136400.
The previous prime is 13937821. The next prime is 13937831. The reversal of 13937825 is 52873931.
It is not a de Polignac number, because 13937825 - 22 = 13937821 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13937821) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 25067 + ... + 25616.
It is an arithmetic number, because the mean of its divisors is an integer number (1571204).
Almost surely, 213937825 is an apocalyptic number.
It is an amenable number.
13937825 is a deficient number, since it is larger than the sum of its proper divisors (4916623).
13937825 is a wasteful number, since it uses less digits than its factorization.
13937825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50704 (or 50699 counting only the distinct ones).
The product of its digits is 45360, while the sum is 38.
The square root of 13937825 is about 3733.3396577327. The cubic root of 13937825 is about 240.6569098065.
The spelling of 13937825 in words is "thirteen million, nine hundred thirty-seven thousand, eight hundred twenty-five".
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