Base | Representation |
---|---|
bin | 1001010001100… |
… | …0101101010001 |
3 | 2201012020201200 |
4 | 2110120231101 |
5 | 34424223023 |
6 | 3505421413 |
7 | 651426513 |
oct | 224305521 |
9 | 81166650 |
10 | 38898513 |
11 | 1aa59035 |
12 | 1103a869 |
13 | 809c394 |
14 | 5247bb3 |
15 | 3635743 |
hex | 2518b51 |
38898513 has 12 divisors (see below), whose sum is σ = 56259840. Its totient is φ = 25898616.
The previous prime is 38898481. The next prime is 38898539. The reversal of 38898513 is 31589883.
It is not a de Polignac number, because 38898513 - 25 = 38898481 is a prime.
It is a super-2 number, since 2×388985132 = 3026188627222338, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38898413) 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 11 ways as a sum of consecutive naturals, for example, 5920 + ... + 10622.
It is an arithmetic number, because the mean of its divisors is an integer number (4688320).
Almost surely, 238898513 is an apocalyptic number.
It is an amenable number.
38898513 is a deficient number, since it is larger than the sum of its proper divisors (17361327).
38898513 is a wasteful number, since it uses less digits than its factorization.
38898513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5628 (or 5625 counting only the distinct ones).
The product of its digits is 207360, while the sum is 45.
The square root of 38898513 is about 6236.8672424543. The cubic root of 38898513 is about 338.8267316182.
The spelling of 38898513 in words is "thirty-eight million, eight hundred ninety-eight thousand, five hundred thirteen".
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