Base | Representation |
---|---|
bin | 101110111100… |
… | …001101101100 |
3 | 212011011122101 |
4 | 232330031230 |
5 | 11122232020 |
6 | 1115424444 |
7 | 206410252 |
oct | 56741554 |
9 | 25134571 |
10 | 12305260 |
11 | 6a45140 |
12 | 4155124 |
13 | 271ac26 |
14 | 18c45d2 |
15 | 113100a |
hex | bbc36c |
12305260 has 24 divisors (see below), whose sum is σ = 28190736. Its totient is φ = 4474560.
The previous prime is 12305243. The next prime is 12305261. The reversal of 12305260 is 6250321.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12305261) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27747 + ... + 28186.
It is an arithmetic number, because the mean of its divisors is an integer number (1174614).
Almost surely, 212305260 is an apocalyptic number.
12305260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12305260 is an abundant number, since it is smaller than the sum of its proper divisors (15885476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12305260 is a wasteful number, since it uses less digits than its factorization.
12305260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55953 (or 55951 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 12305260 is about 3507.8854029173. The cubic root of 12305260 is about 230.8679242243.
Adding to 12305260 its reverse (6250321), we get a palindrome (18555581).
The spelling of 12305260 in words is "twelve million, three hundred five thousand, two hundred sixty".
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