Base | Representation |
---|---|
bin | 110001100010… |
… | …001110110100 |
3 | 220102201102212 |
4 | 301202032310 |
5 | 11311012033 |
6 | 1142152552 |
7 | 215241632 |
oct | 61421664 |
9 | 26381385 |
10 | 12985268 |
11 | 736a02a |
12 | 4422758 |
13 | 28c85ba |
14 | 1a20352 |
15 | 1217748 |
hex | c623b4 |
12985268 has 6 divisors (see below), whose sum is σ = 22724226. Its totient is φ = 6492632.
The previous prime is 12985223. The next prime is 12985277. The reversal of 12985268 is 86258921.
It can be written as a sum of positive squares in only one way, i.e., 12802084 + 183184 = 3578^2 + 428^2 .
It is a congruent number.
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 as a sum of consecutive naturals, namely, 1623155 + ... + 1623162.
It is an arithmetic number, because the mean of its divisors is an integer number (3787371).
Almost surely, 212985268 is an apocalyptic number.
It is an amenable number.
12985268 is a deficient number, since it is larger than the sum of its proper divisors (9738958).
12985268 is a wasteful number, since it uses less digits than its factorization.
12985268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3246321 (or 3246319 counting only the distinct ones).
The product of its digits is 69120, while the sum is 41.
The square root of 12985268 is about 3603.5077355266. The cubic root of 12985268 is about 235.0446150391.
The spelling of 12985268 in words is "twelve million, nine hundred eighty-five thousand, two hundred sixty-eight".
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