Base | Representation |
---|---|
bin | 110001000101… |
… | …101011101000 |
3 | 220012210000202 |
4 | 301011223220 |
5 | 11243241303 |
6 | 1135451332 |
7 | 214243664 |
oct | 61055350 |
9 | 26183022 |
10 | 12868328 |
11 | 729a190 |
12 | 4386b48 |
13 | 28872c5 |
14 | 19cd8a4 |
15 | 11e2c88 |
hex | c45ae8 |
12868328 has 32 divisors (see below), whose sum is σ = 26460000. Its totient is φ = 5818560.
The previous prime is 12868321. The next prime is 12868333. The reversal of 12868328 is 82386821.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 12868291 and 12868300.
It is not an unprimeable number, because it can be changed into a prime (12868321) by changing a digit.
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, 30503 + ... + 30921.
It is an arithmetic number, because the mean of its divisors is an integer number (826875).
Almost surely, 212868328 is an apocalyptic number.
It is an amenable number.
12868328 is an abundant number, since it is smaller than the sum of its proper divisors (13591672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12868328 is a wasteful number, since it uses less digits than its factorization.
12868328 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 785 (or 781 counting only the distinct ones).
The product of its digits is 36864, while the sum is 38.
The square root of 12868328 is about 3587.2451825879. The cubic root of 12868328 is about 234.3369145345.
The spelling of 12868328 in words is "twelve million, eight hundred sixty-eight thousand, three hundred twenty-eight".
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