Base | Representation |
---|---|
bin | 101110110011… |
… | …001111001010 |
3 | 212002022012112 |
4 | 232303033022 |
5 | 11120042430 |
6 | 1114542322 |
7 | 206165123 |
oct | 56631712 |
9 | 25068175 |
10 | 12268490 |
11 | 6a1a553 |
12 | 41379a2 |
13 | 2707280 |
14 | 18b504a |
15 | 1125195 |
hex | bb33ca |
12268490 has 32 divisors (see below), whose sum is σ = 25038720. Its totient is φ = 4290624.
The previous prime is 12268489. The next prime is 12268541. The reversal of 12268490 is 9486221.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14 + ... + 4953.
It is an arithmetic number, because the mean of its divisors is an integer number (782460).
Almost surely, 212268490 is an apocalyptic number.
12268490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12268490 is an abundant number, since it is smaller than the sum of its proper divisors (12770230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12268490 is a wasteful number, since it uses less digits than its factorization.
12268490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5006.
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 12268490 is about 3502.6404325880. The cubic root of 12268490 is about 230.6377385658.
The spelling of 12268490 in words is "twelve million, two hundred sixty-eight thousand, four hundred ninety".
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