Base | Representation |
---|---|
bin | 10111000101010… |
… | …000011000110000 |
3 | 222222200112100122 |
4 | 113011100120300 |
5 | 1243114110213 |
6 | 102232105412 |
7 | 12411413564 |
oct | 2705203060 |
9 | 888615318 |
10 | 387253808 |
11 | 18965a577 |
12 | a9835268 |
13 | 622caa86 |
14 | 396076a4 |
15 | 23ee6d08 |
hex | 17150630 |
387253808 has 20 divisors (see below), whose sum is σ = 750651360. Its totient is φ = 193537344.
The previous prime is 387253807. The next prime is 387253819. The reversal of 387253808 is 808352783.
It is not an unprimeable number, because it can be changed into a prime (387253807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42698 + ... + 50966.
It is an arithmetic number, because the mean of its divisors is an integer number (37532568).
Almost surely, 2387253808 is an apocalyptic number.
It is an amenable number.
387253808 is a deficient number, since it is larger than the sum of its proper divisors (363397552).
387253808 is a wasteful number, since it uses less digits than its factorization.
387253808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11204 (or 11198 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 44.
The square root of 387253808 is about 19678.7654084295. The cubic root of 387253808 is about 728.8954384340.
The spelling of 387253808 in words is "three hundred eighty-seven million, two hundred fifty-three thousand, eight hundred eight".
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