Base | Representation |
---|---|
bin | 10111001010110… |
… | …001001110101100 |
3 | 1000002101221212012 |
4 | 113022301032230 |
5 | 1244001332202 |
6 | 102323100352 |
7 | 12426613250 |
oct | 2712611654 |
9 | 1002357765 |
10 | 388699052 |
11 | 18a457395 |
12 | aa2116b8 |
13 | 626b5851 |
14 | 398a2260 |
15 | 241d0152 |
hex | 172b13ac |
388699052 has 12 divisors (see below), whose sum is σ = 777398160. Its totient is φ = 166585296.
The previous prime is 388699027. The next prime is 388699081. The reversal of 388699052 is 250996883.
388699052 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6941027 + ... + 6941082.
It is an arithmetic number, because the mean of its divisors is an integer number (64783180).
Almost surely, 2388699052 is an apocalyptic number.
It is an amenable number.
388699052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388699052 is a wasteful number, since it uses less digits than its factorization.
388699052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13882120 (or 13882118 counting only the distinct ones).
The product of its (nonzero) digits is 933120, while the sum is 50.
The square root of 388699052 is about 19715.4521124929. The cubic root of 388699052 is about 729.8010667041.
The spelling of 388699052 in words is "three hundred eighty-eight million, six hundred ninety-nine thousand, fifty-two".
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