Base | Representation |
---|---|
bin | 1101100111100… |
… | …1100001001001 |
3 | 10222111001001201 |
4 | 3121321201021 |
5 | 104110331331 |
6 | 5400144201 |
7 | 1262343031 |
oct | 331714111 |
9 | 128431051 |
10 | 57120841 |
11 | 2a274808 |
12 | 17168061 |
13 | baac61b |
14 | 782c8c1 |
15 | 5034a61 |
hex | 3679849 |
57120841 has 2 divisors, whose sum is σ = 57120842. Its totient is φ = 57120840.
The previous prime is 57120829. The next prime is 57120851. The reversal of 57120841 is 14802175.
57120841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 47665216 + 9455625 = 6904^2 + 3075^2 .
It is a cyclic number.
It is not a de Polignac number, because 57120841 - 25 = 57120809 is a prime.
It is not a weakly prime, because it can be changed into another prime (57120851) by changing a digit.
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 as a sum of consecutive naturals, namely, 28560420 + 28560421.
It is an arithmetic number, because the mean of its divisors is an integer number (28560421).
Almost surely, 257120841 is an apocalyptic number.
It is an amenable number.
57120841 is a deficient number, since it is larger than the sum of its proper divisors (1).
57120841 is an equidigital number, since it uses as much as digits as its factorization.
57120841 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2240, while the sum is 28.
The square root of 57120841 is about 7557.8330889217. The cubic root of 57120841 is about 385.1218841621.
It can be divided in two parts, 571 and 20841, that added together give a palindrome (21412).
The spelling of 57120841 in words is "fifty-seven million, one hundred twenty thousand, eight hundred forty-one".
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