Base | Representation |
---|---|
bin | 1001000111111… |
… | …0000100100001 |
3 | 2200000001212201 |
4 | 2101332010201 |
5 | 34243440441 |
6 | 3444053201 |
7 | 643151056 |
oct | 221760441 |
9 | 80001781 |
10 | 38265121 |
11 | 1a666174 |
12 | 10994201 |
13 | 7c09cab |
14 | 512102d |
15 | 355cc31 |
hex | 247e121 |
38265121 has 2 divisors, whose sum is σ = 38265122. Its totient is φ = 38265120.
The previous prime is 38265119. The next prime is 38265133. The reversal of 38265121 is 12156283.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 36469521 + 1795600 = 6039^2 + 1340^2 .
It is a cyclic number.
It is not a de Polignac number, because 38265121 - 21 = 38265119 is a prime.
Together with 38265119, it forms a pair of twin primes.
It is a self number, because there is not a number n which added to its sum of digits gives 38265121.
It is not a weakly prime, because it can be changed into another prime (38268121) 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 as a sum of consecutive naturals, namely, 19132560 + 19132561.
It is an arithmetic number, because the mean of its divisors is an integer number (19132561).
Almost surely, 238265121 is an apocalyptic number.
It is an amenable number.
38265121 is a deficient number, since it is larger than the sum of its proper divisors (1).
38265121 is an equidigital number, since it uses as much as digits as its factorization.
38265121 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2880, while the sum is 28.
The square root of 38265121 is about 6185.8807780299. The cubic root of 38265121 is about 336.9775980319.
The spelling of 38265121 in words is "thirty-eight million, two hundred sixty-five thousand, one hundred twenty-one".
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