Search a number
-
+
57752993 is a prime number
BaseRepresentation
bin1101110001001…
…1110110100001
311000200011012202
43130103312201
5104241043433
65421502545
71300615034
oct334236641
9130604182
1057752993
112a666751
1217411a55
13bc7128c
14795501b
15510bee8
hex3713da1

57752993 has 2 divisors, whose sum is σ = 57752994. Its totient is φ = 57752992.

The previous prime is 57752983. The next prime is 57753037. The reversal of 57752993 is 39925775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46348864 + 11404129 = 6808^2 + 3377^2 .

It is a cyclic number.

It is not a de Polignac number, because 57752993 - 216 = 57687457 is a prime.

It is not a weakly prime, because it can be changed into another prime (57752923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28876496 + 28876497.

It is an arithmetic number, because the mean of its divisors is an integer number (28876497).

Almost surely, 257752993 is an apocalyptic number.

It is an amenable number.

57752993 is a deficient number, since it is larger than the sum of its proper divisors (1).

57752993 is an equidigital number, since it uses as much as digits as its factorization.

57752993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595350, while the sum is 47.

The square root of 57752993 is about 7599.5389991762. The cubic root of 57752993 is about 386.5373800654.

The spelling of 57752993 in words is "fifty-seven million, seven hundred fifty-two thousand, nine hundred ninety-three".