Base | Representation |
---|---|
bin | 1001010001101… |
… | …0011111100001 |
3 | 2201012121202111 |
4 | 2110122133201 |
5 | 34424441300 |
6 | 3505515321 |
7 | 651460030 |
oct | 224323741 |
9 | 81177674 |
10 | 38905825 |
11 | 1aa63582 |
12 | 11042b41 |
13 | 80a27ca |
14 | 524a717 |
15 | 36379ba |
hex | 251a7e1 |
38905825 has 24 divisors (see below), whose sum is σ = 58041920. Its totient is φ = 25272000.
The previous prime is 38905819. The next prime is 38905831. The reversal of 38905825 is 52850983.
38905825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (38905819) and next prime (38905831).
It is not a de Polignac number, because 38905825 - 25 = 38905793 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2526 + ... + 9175.
Almost surely, 238905825 is an apocalyptic number.
38905825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
38905825 is a deficient number, since it is larger than the sum of its proper divisors (19136095).
38905825 is a wasteful number, since it uses less digits than its factorization.
38905825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11737 (or 11732 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 40.
The square root of 38905825 is about 6237.4534066396. The cubic root of 38905825 is about 338.8479607574.
The spelling of 38905825 in words is "thirty-eight million, nine hundred five thousand, eight hundred twenty-five".
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