Base | Representation |
---|---|
bin | 1001001110010… |
… | …1011000011101 |
3 | 2200210120100110 |
4 | 2103211120131 |
5 | 34401011120 |
6 | 3501120233 |
7 | 646562556 |
oct | 223453035 |
9 | 80716313 |
10 | 38688285 |
11 | 1a925099 |
12 | 10b59079 |
13 | 802779c |
14 | 51d132d |
15 | 35e32e0 |
hex | 24e561d |
38688285 has 16 divisors (see below), whose sum is σ = 63219456. Its totient is φ = 20194368.
The previous prime is 38688283. The next prime is 38688289. The reversal of 38688285 is 58288683.
38688285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 38688285 - 21 = 38688283 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38688283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26734 + ... + 28143.
It is an arithmetic number, because the mean of its divisors is an integer number (3951216).
Almost surely, 238688285 is an apocalyptic number.
It is an amenable number.
38688285 is a deficient number, since it is larger than the sum of its proper divisors (24531171).
38688285 is a wasteful number, since it uses less digits than its factorization.
38688285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54932.
The product of its digits is 737280, while the sum is 48.
The square root of 38688285 is about 6219.9907556201. The cubic root of 38688285 is about 338.2152294440.
The spelling of 38688285 in words is "thirty-eight million, six hundred eighty-eight thousand, two hundred eighty-five".
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