Base | Representation |
---|---|
bin | 10111001001111… |
… | …100000011110100 |
3 | 1000001222220010010 |
4 | 113021330003310 |
5 | 1243422400033 |
6 | 102314300220 |
7 | 12425015310 |
oct | 2711740364 |
9 | 1001886103 |
10 | 388481268 |
11 | 18a3187aa |
12 | aa127670 |
13 | 6263a696 |
14 | 39846b40 |
15 | 2418a863 |
hex | 1727c0f4 |
388481268 has 24 divisors (see below), whose sum is σ = 1035950272. Its totient is φ = 110994624.
The previous prime is 388481227. The next prime is 388481279. The reversal of 388481268 is 862184883.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312305 + ... + 2312472.
Almost surely, 2388481268 is an apocalyptic number.
It is an amenable number.
388481268 is an abundant number, since it is smaller than the sum of its proper divisors (647469004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388481268 is a wasteful number, since it uses less digits than its factorization.
388481268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4624791 (or 4624789 counting only the distinct ones).
The product of its digits is 589824, while the sum is 48.
The square root of 388481268 is about 19709.9281581644. The cubic root of 388481268 is about 729.6647412805.
The spelling of 388481268 in words is "three hundred eighty-eight million, four hundred eighty-one thousand, two hundred sixty-eight".
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