Search a number
-
+
57943 is a prime number
BaseRepresentation
bin1110001001010111
32221111001
432021113
53323233
61124131
7330634
oct161127
987431
1057943
113a596
1229647
13204b2
141718b
151227d
hexe257

57943 has 2 divisors, whose sum is σ = 57944. Its totient is φ = 57942.

The previous prime is 57923. The next prime is 57947. The reversal of 57943 is 34975.

57943 is nontrivially palindromic in base 5.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57943 is a prime.

It is equal to p5869 and since 57943 and 5869 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 15.

It is a nialpdrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28971 + 28972.

It is an arithmetic number, because the mean of its divisors is an integer number (28972).

257943 is an apocalyptic number.

57943 is a deficient number, since it is larger than the sum of its proper divisors (1).

57943 is an equidigital number, since it uses as much as digits as its factorization.

57943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 28.

The square root of 57943 is about 240.7135226779. The cubic root of 57943 is about 38.6960817921.

It can be divided in two parts, 57 and 943, that added together give a cube (1000 = 103).

The spelling of 57943 in words is "fifty-seven thousand, nine hundred forty-three".