Base | Representation |
---|---|
bin | 1001001000101… |
… | …1000101011001 |
3 | 2200002202222221 |
4 | 2102023011121 |
5 | 34302142200 |
6 | 3445144041 |
7 | 643462345 |
oct | 222130531 |
9 | 80082887 |
10 | 38318425 |
11 | 1a6a2222 |
12 | 109bb021 |
13 | 7c28332 |
14 | 5136625 |
15 | 356d91a |
hex | 248b159 |
38318425 has 24 divisors (see below), whose sum is σ = 52061400. Its totient is φ = 27847680.
The previous prime is 38318419. The next prime is 38318429. The reversal of 38318425 is 52481383.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 10471696 + 27846729 = 3236^2 + 5277^2 .
It is not a de Polignac number, because 38318425 - 25 = 38318393 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38318429) 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 23 ways as a sum of consecutive naturals, for example, 10771 + ... + 13879.
It is an arithmetic number, because the mean of its divisors is an integer number (2169225).
Almost surely, 238318425 is an apocalyptic number.
It is an amenable number.
38318425 is a deficient number, since it is larger than the sum of its proper divisors (13742975).
38318425 is a wasteful number, since it uses less digits than its factorization.
38318425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3165 (or 3160 counting only the distinct ones).
The product of its digits is 23040, while the sum is 34.
The square root of 38318425 is about 6190.1878000591. The cubic root of 38318425 is about 337.1339973784.
The spelling of 38318425 in words is "thirty-eight million, three hundred eighteen thousand, four hundred twenty-five".
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