Base | Representation |
---|---|
bin | 110000100111… |
… | …101010101000 |
3 | 212222112101021 |
4 | 300213222220 |
5 | 11230323014 |
6 | 1133102224 |
7 | 213222361 |
oct | 60475250 |
9 | 25875337 |
10 | 12745384 |
11 | 7215883 |
12 | 4327974 |
13 | 2843362 |
14 | 199ab68 |
15 | 11bb624 |
hex | c27aa8 |
12745384 has 32 divisors (see below), whose sum is σ = 24964200. Its totient is φ = 6092800.
The previous prime is 12745379. The next prime is 12745399. The reversal of 12745384 is 48354721.
It can be written as a sum of positive squares in 4 ways, for example, as 12744900 + 484 = 3570^2 + 22^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31584 + ... + 31984.
Almost surely, 212745384 is an apocalyptic number.
It is an amenable number.
12745384 is a deficient number, since it is larger than the sum of its proper divisors (12218816).
12745384 is a wasteful number, since it uses less digits than its factorization.
12745384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 573 (or 569 counting only the distinct ones).
The product of its digits is 26880, while the sum is 34.
The square root of 12745384 is about 3570.0677864713. The cubic root of 12745384 is about 233.5882402443.
The spelling of 12745384 in words is "twelve million, seven hundred forty-five thousand, three hundred eighty-four".
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