Base | Representation |
---|---|
bin | 110001101100… |
… | …001001100111 |
3 | 220111210011120 |
4 | 301230021213 |
5 | 11313312040 |
6 | 1143105023 |
7 | 215501241 |
oct | 61541147 |
9 | 26453146 |
10 | 13025895 |
11 | 7397603 |
12 | 4442173 |
13 | 2910c3c |
14 | 1a31091 |
15 | 12247d0 |
hex | c6c267 |
13025895 has 16 divisors (see below), whose sum is σ = 21046272. Its totient is φ = 6878880.
The previous prime is 13025807. The next prime is 13025899. The reversal of 13025895 is 59852031.
13025895 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13025895 - 27 = 13025767 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13025899) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2671 + ... + 5760.
It is an arithmetic number, because the mean of its divisors is an integer number (1315392).
Almost surely, 213025895 is an apocalyptic number.
13025895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13025895 is a deficient number, since it is larger than the sum of its proper divisors (8020377).
13025895 is a wasteful number, since it uses less digits than its factorization.
13025895 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8542.
The product of its (nonzero) digits is 10800, while the sum is 33.
The square root of 13025895 is about 3609.1404793940. The cubic root of 13025895 is about 235.2894878194.
The spelling of 13025895 in words is "thirteen million, twenty-five thousand, eight hundred ninety-five".
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