Base | Representation |
---|---|
bin | 1001000101001… |
… | …1100001001001 |
3 | 2122200012210022 |
4 | 2101103201021 |
5 | 34222401300 |
6 | 3440230225 |
7 | 641523653 |
oct | 221234111 |
9 | 78605708 |
10 | 38090825 |
11 | 1a557223 |
12 | 1090b375 |
13 | 7b78866 |
14 | 50b76d3 |
15 | 3526285 |
hex | 2453849 |
38090825 has 6 divisors (see below), whose sum is σ = 47232654. Its totient is φ = 30472640.
The previous prime is 38090809. The next prime is 38090849. The reversal of 38090825 is 52809083.
It can be written as a sum of positive squares in 3 ways, for example, as 868624 + 37222201 = 932^2 + 6101^2 .
It is not a de Polignac number, because 38090825 - 24 = 38090809 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 761792 + ... + 761841.
It is an arithmetic number, because the mean of its divisors is an integer number (7872109).
Almost surely, 238090825 is an apocalyptic number.
It is an amenable number.
38090825 is a deficient number, since it is larger than the sum of its proper divisors (9141829).
38090825 is a wasteful number, since it uses less digits than its factorization.
38090825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1523643 (or 1523638 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 35.
The square root of 38090825 is about 6171.7764865556. The cubic root of 38090825 is about 336.4651796818.
The spelling of 38090825 in words is "thirty-eight million, ninety thousand, eight hundred twenty-five".
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