Base | Representation |
---|---|
bin | 1001010001000… |
… | …1011110000100 |
3 | 2201010202001201 |
4 | 2110101132010 |
5 | 34422300433 |
6 | 3505032244 |
7 | 651244213 |
oct | 224213604 |
9 | 81122051 |
10 | 38868868 |
11 | 1aa38835 |
12 | 11025684 |
13 | 808ba3c |
14 | 523b07a |
15 | 362ba7d |
hex | 2511784 |
38868868 has 12 divisors (see below), whose sum is σ = 72021852. Its totient is φ = 18291200.
The previous prime is 38868853. The next prime is 38868871. The reversal of 38868868 is 86886883.
It can be written as a sum of positive squares in 2 ways, for example, as 10969344 + 27899524 = 3312^2 + 5282^2 .
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, 285733 + ... + 285868.
It is an arithmetic number, because the mean of its divisors is an integer number (6001821).
Almost surely, 238868868 is an apocalyptic number.
It is an amenable number.
38868868 is a deficient number, since it is larger than the sum of its proper divisors (33152984).
38868868 is a wasteful number, since it uses less digits than its factorization.
38868868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 571622 (or 571620 counting only the distinct ones).
The product of its digits is 3538944, while the sum is 55.
The square root of 38868868 is about 6234.4901956776. The cubic root of 38868868 is about 338.7406351718.
The spelling of 38868868 in words is "thirty-eight million, eight hundred sixty-eight thousand, eight hundred sixty-eight".
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