Base | Representation |
---|---|
bin | 10001001110000… |
… | …111001110001100 |
3 | 202010122021010101 |
4 | 101032013032030 |
5 | 1042430143033 |
6 | 44400220444 |
7 | 10105466551 |
oct | 2116071614 |
9 | 663567111 |
10 | 288912268 |
11 | 1390a1077 |
12 | 8090a724 |
13 | 47b18108 |
14 | 2a528a28 |
15 | 1a56d97d |
hex | 1138738c |
288912268 has 12 divisors (see below), whose sum is σ = 523031040. Its totient is φ = 139474832.
The previous prime is 288912259. The next prime is 288912289. The reversal of 288912268 is 862219882.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245196 + ... + 1245427.
It is an arithmetic number, because the mean of its divisors is an integer number (43585920).
Almost surely, 2288912268 is an apocalyptic number.
It is an amenable number.
288912268 is a deficient number, since it is larger than the sum of its proper divisors (234118772).
288912268 is a wasteful number, since it uses less digits than its factorization.
288912268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2490656 (or 2490654 counting only the distinct ones).
The product of its digits is 221184, while the sum is 46.
The square root of 288912268 is about 16997.4194511991. The cubic root of 288912268 is about 661.0819932116.
It can be divided in two parts, 288912 and 268, that added together give a triangular number (289180 = T760).
The spelling of 288912268 in words is "two hundred eighty-eight million, nine hundred twelve thousand, two hundred sixty-eight".
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