Base | Representation |
---|---|
bin | 110100010111… |
… | …000011100101 |
3 | 221211100102121 |
4 | 310113003211 |
5 | 12003212200 |
6 | 1210105541 |
7 | 224445163 |
oct | 64270345 |
9 | 27740377 |
10 | 13725925 |
11 | 7825544 |
12 | 471b2b1 |
13 | 2ac7765 |
14 | 1b74233 |
15 | 1311e1a |
hex | d170e5 |
13725925 has 6 divisors (see below), whose sum is σ = 17020178. Its totient is φ = 10980720.
The previous prime is 13725913. The next prime is 13725931. The reversal of 13725925 is 52952731.
13725925 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 3 ways, for example, as 4004001 + 9721924 = 2001^2 + 3118^2 .
It is a de Polignac number, because none of the positive numbers 2k-13725925 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274494 + ... + 274543.
Almost surely, 213725925 is an apocalyptic number.
It is an amenable number.
13725925 is a deficient number, since it is larger than the sum of its proper divisors (3294253).
13725925 is an equidigital number, since it uses as much as digits as its factorization.
13725925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 549047 (or 549042 counting only the distinct ones).
The product of its digits is 18900, while the sum is 34.
The square root of 13725925 is about 3704.8515489828. The cubic root of 13725925 is about 239.4310888252.
It can be divided in two parts, 137 and 25925, that added together give a palindrome (26062).
The spelling of 13725925 in words is "thirteen million, seven hundred twenty-five thousand, nine hundred twenty-five".
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