Base | Representation |
---|---|
bin | 1001010001110… |
… | …0001000001101 |
3 | 2201012221221122 |
4 | 2110130020031 |
5 | 34430200100 |
6 | 3510010325 |
7 | 651515411 |
oct | 224341015 |
9 | 81187848 |
10 | 38912525 |
11 | 1aa68613 |
12 | 110469a5 |
13 | 80a5882 |
14 | 524cd41 |
15 | 3639985 |
hex | 251c20d |
38912525 has 6 divisors (see below), whose sum is σ = 48251562. Its totient is φ = 31130000.
The previous prime is 38912509. The next prime is 38912543. The reversal of 38912525 is 52521983.
It can be written as a sum of positive squares in 3 ways, for example, as 249001 + 38663524 = 499^2 + 6218^2 .
It is not a de Polignac number, because 38912525 - 24 = 38912509 is a prime.
It is a Duffinian number.
It is a congruent 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, 778226 + ... + 778275.
It is an arithmetic number, because the mean of its divisors is an integer number (8041927).
Almost surely, 238912525 is an apocalyptic number.
It is an amenable number.
38912525 is a deficient number, since it is larger than the sum of its proper divisors (9339037).
38912525 is a wasteful number, since it uses less digits than its factorization.
38912525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1556511 (or 1556506 counting only the distinct ones).
The product of its digits is 21600, while the sum is 35.
The square root of 38912525 is about 6237.9904616791. The cubic root of 38912525 is about 338.8674107243.
The spelling of 38912525 in words is "thirty-eight million, nine hundred twelve thousand, five hundred twenty-five".
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