Search a number
-
+
57294331 is a prime number
BaseRepresentation
bin1101101010001…
…1110111111011
310222210212001021
43122203313323
5104131404311
65404003311
71263664603
oct332436773
9128725037
1057294331
112a383096
1217230537
13bb40593
147875c03
15506b171
hex36a3dfb

57294331 has 2 divisors, whose sum is σ = 57294332. Its totient is φ = 57294330.

The previous prime is 57294323. The next prime is 57294353. The reversal of 57294331 is 13349275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57294331 - 23 = 57294323 is a prime.

It is a super-2 number, since 2×572943312 = 6565280729475122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57292331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28647165 + 28647166.

It is an arithmetic number, because the mean of its divisors is an integer number (28647166).

Almost surely, 257294331 is an apocalyptic number.

57294331 is a deficient number, since it is larger than the sum of its proper divisors (1).

57294331 is an equidigital number, since it uses as much as digits as its factorization.

57294331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 57294331 is about 7569.3018832651. The cubic root of 57294331 is about 385.5113932807.

The spelling of 57294331 in words is "fifty-seven million, two hundred ninety-four thousand, three hundred thirty-one".