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57120841 is a prime number
BaseRepresentation
bin1101100111100…
…1100001001001
310222111001001201
43121321201021
5104110331331
65400144201
71262343031
oct331714111
9128431051
1057120841
112a274808
1217168061
13baac61b
14782c8c1
155034a61
hex3679849

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".