Base | Representation |
---|---|
bin | 10111001011000… |
… | …001001011010000 |
3 | 1000002112021110022 |
4 | 113023001023100 |
5 | 1244010424433 |
6 | 102324323012 |
7 | 12430304546 |
oct | 2713011320 |
9 | 1002467408 |
10 | 388764368 |
11 | 18a4a1473 |
12 | aa243468 |
13 | 627094b5 |
14 | 398bbd96 |
15 | 241e4698 |
hex | 172c12d0 |
388764368 has 20 divisors (see below), whose sum is σ = 753680928. Its totient is φ = 194266080.
The previous prime is 388764367. The next prime is 388764379. The reversal of 388764368 is 863467883.
It is a super-2 number, since 2×3887643682 = 302275467652878848, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (388764361) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24605 + ... + 37187.
Almost surely, 2388764368 is an apocalyptic number.
It is an amenable number.
388764368 is a deficient number, since it is larger than the sum of its proper divisors (364916560).
388764368 is a wasteful number, since it uses less digits than its factorization.
388764368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14522 (or 14516 counting only the distinct ones).
The product of its digits is 4644864, while the sum is 53.
The square root of 388764368 is about 19717.1085101239. The cubic root of 388764368 is about 729.8419423863.
The spelling of 388764368 in words is "three hundred eighty-eight million, seven hundred sixty-four thousand, three hundred sixty-eight".
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