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57742193 is a prime number
BaseRepresentation
bin1101110001000…
…1001101110001
311000122121101202
43130101031301
5104240222233
65421340545
71300541405
oct334211561
9130577352
1057742193
112a659623
1217407755
13bc693a2
147951105
155108be8
hex3711371

57742193 has 2 divisors, whose sum is σ = 57742194. Its totient is φ = 57742192.

The previous prime is 57742169. The next prime is 57742199. The reversal of 57742193 is 39124775.

57742193 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., 39526369 + 18215824 = 6287^2 + 4268^2 .

It is a cyclic number.

It is not a de Polignac number, because 57742193 - 210 = 57741169 is a prime.

It is not a weakly prime, because it can be changed into another prime (57742199) 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, 28871096 + 28871097.

It is an arithmetic number, because the mean of its divisors is an integer number (28871097).

Almost surely, 257742193 is an apocalyptic number.

It is an amenable number.

57742193 is a deficient number, since it is larger than the sum of its proper divisors (1).

57742193 is an equidigital number, since it uses as much as digits as its factorization.

57742193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 57742193 is about 7598.8283965359. The cubic root of 57742193 is about 386.5132839754.

The spelling of 57742193 in words is "fifty-seven million, seven hundred forty-two thousand, one hundred ninety-three".