Base | Representation |
---|---|
bin | 10110111110010… |
… | …110100000110000 |
3 | 222212021120121120 |
4 | 112332112200300 |
5 | 1242133201023 |
6 | 102125222240 |
7 | 12360135054 |
oct | 2676264060 |
9 | 885246546 |
10 | 385443888 |
11 | 188633775 |
12 | a9101980 |
13 | 61b1600b |
14 | 39295c64 |
15 | 23c8a8e3 |
hex | 16f96830 |
385443888 has 20 divisors (see below), whose sum is σ = 995730168. Its totient is φ = 128481280.
The previous prime is 385443859. The next prime is 385443943. The reversal of 385443888 is 888344583.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 385443888.
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, 4014993 + ... + 4015088.
Almost surely, 2385443888 is an apocalyptic number.
It is an amenable number.
385443888 is an abundant number, since it is smaller than the sum of its proper divisors (610286280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385443888 is a wasteful number, since it uses less digits than its factorization.
385443888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8030092 (or 8030086 counting only the distinct ones).
The product of its digits is 2949120, while the sum is 51.
The square root of 385443888 is about 19632.7249254911. The cubic root of 385443888 is about 727.7581110799.
The spelling of 385443888 in words is "three hundred eighty-five million, four hundred forty-three thousand, eight hundred eighty-eight".
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