Base | Representation |
---|---|
bin | 10111001000011… |
… | …011100011101100 |
3 | 1000001020210220102 |
4 | 113020123203230 |
5 | 1243322222441 |
6 | 102302010232 |
7 | 12421451024 |
oct | 2710334354 |
9 | 1001223812 |
10 | 388085996 |
11 | 18a078831 |
12 | a9b76978 |
13 | 6252c7ac |
14 | 39782a84 |
15 | 2410d69b |
hex | 1721b8ec |
388085996 has 24 divisors (see below), whose sum is σ = 723945600. Its totient is φ = 181398272.
The previous prime is 388085987. The next prime is 388086053. The reversal of 388085996 is 699580883.
It is a super-2 number, since 2×3880859962 = 301221480582624032, which contains 22 as substring.
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, 9020 + ... + 29283.
It is an arithmetic number, because the mean of its divisors is an integer number (30164400).
Almost surely, 2388085996 is an apocalyptic number.
It is an amenable number.
388085996 is a deficient number, since it is larger than the sum of its proper divisors (335859604).
388085996 is a wasteful number, since it uses less digits than its factorization.
388085996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38473 (or 38471 counting only the distinct ones).
The product of its (nonzero) digits is 3732480, while the sum is 56.
The square root of 388085996 is about 19699.8983753724. The cubic root of 388085996 is about 729.4171841566.
The spelling of 388085996 in words is "three hundred eighty-eight million, eighty-five thousand, nine hundred ninety-six".
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