Base | Representation |
---|---|
bin | 1001000100101… |
… | …1001001110001 |
3 | 2122121110210021 |
4 | 2101023021301 |
5 | 34220302221 |
6 | 3435403441 |
7 | 641322034 |
oct | 221131161 |
9 | 78543707 |
10 | 38056561 |
11 | 1a533504 |
12 | 108b3581 |
13 | 7b6609a |
14 | 50a901b |
15 | 351b041 |
hex | 244b271 |
38056561 has 9 divisors (see below), whose sum is σ = 39522393. Its totient is φ = 36643860.
The previous prime is 38056553. The next prime is 38056567. The reversal of 38056561 is 16565083.
The square root of 38056561 is 6169.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 38056561 - 23 = 38056553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38056567) 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 8 ways as a sum of consecutive naturals, for example, 191140 + ... + 191338.
It is an arithmetic number, because the mean of its divisors is an integer number (4391377).
Almost surely, 238056561 is an apocalyptic number.
38056561 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
38056561 is the 6169-th square number.
38056561 is the 3085-th centered octagonal number.
It is an amenable number.
38056561 is a deficient number, since it is larger than the sum of its proper divisors (1465832).
38056561 is an frugal number, since it uses more digits than its factorization.
38056561 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 460 (or 230 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 34.
The cubic root of 38056561 is about 336.3642621034.
The spelling of 38056561 in words is "thirty-eight million, fifty-six thousand, five hundred sixty-one".
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