Base | Representation |
---|---|
bin | 110101001010… |
… | …100100011101 |
3 | 222020001212102 |
4 | 311022210131 |
5 | 12031440200 |
6 | 1214414445 |
7 | 226314302 |
oct | 65124435 |
9 | 28201772 |
10 | 13936925 |
11 | 795a022 |
12 | 4801425 |
13 | 2b6c802 |
14 | 1bcb0a9 |
15 | 13546d5 |
hex | d4a91d |
13936925 has 12 divisors (see below), whose sum is σ = 17704596. Its totient is φ = 10876800.
The previous prime is 13936913. The next prime is 13936927. The reversal of 13936925 is 52963931.
13936925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 5299204 + 8637721 = 2302^2 + 2939^2 .
It is not a de Polignac number, because 13936925 - 212 = 13932829 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13936927) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5774 + ... + 7823.
It is an arithmetic number, because the mean of its divisors is an integer number (1475383).
Almost surely, 213936925 is an apocalyptic number.
It is an amenable number.
13936925 is a deficient number, since it is larger than the sum of its proper divisors (3767671).
13936925 is a wasteful number, since it uses less digits than its factorization.
13936925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13648 (or 13643 counting only the distinct ones).
The product of its digits is 43740, while the sum is 38.
The square root of 13936925 is about 3733.2191202768. The cubic root of 13936925 is about 240.6517297568.
The spelling of 13936925 in words is "thirteen million, nine hundred thirty-six thousand, nine hundred twenty-five".
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