Base | Representation |
---|---|
bin | 1001000101110… |
… | …1010001111000 |
3 | 2122202020122011 |
4 | 2101131101320 |
5 | 34230141213 |
6 | 3441135304 |
7 | 642051352 |
oct | 221352170 |
9 | 78666564 |
10 | 38130808 |
11 | 1a584271 |
12 | 1092a534 |
13 | 7b90b11 |
14 | 50c80d2 |
15 | 353303d |
hex | 245d478 |
38130808 has 8 divisors (see below), whose sum is σ = 71495280. Its totient is φ = 19065400.
The previous prime is 38130793. The next prime is 38130821. The reversal of 38130808 is 80803183.
It is a tau number, because it is divible by the number of its divisors (8).
It is a self number, because there is not a number n which added to its sum of digits gives 38130808.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2383168 + ... + 2383183.
It is an arithmetic number, because the mean of its divisors is an integer number (8936910).
Almost surely, 238130808 is an apocalyptic number.
It is an amenable number.
38130808 is a deficient number, since it is larger than the sum of its proper divisors (33364472).
38130808 is a wasteful number, since it uses less digits than its factorization.
38130808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4766357 (or 4766353 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 38130808 is about 6175.0148177960. The cubic root of 38130808 is about 336.5828649159.
The spelling of 38130808 in words is "thirty-eight million, one hundred thirty thousand, eight hundred eight".
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