Search a number
-
+
57390163 is a prime number
BaseRepresentation
bin1101101011101…
…1010001010011
310222222201111121
43122323101103
5104142441123
65410023111
71264544155
oct332732123
9128881447
1057390163
112a439096
1217277a97
13bb7509c
14789cad5
15508975d
hex36bb453

57390163 has 2 divisors, whose sum is σ = 57390164. Its totient is φ = 57390162.

The previous prime is 57390161. The next prime is 57390167. The reversal of 57390163 is 36109375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57390163 - 21 = 57390161 is a prime.

Together with 57390161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57390161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28695081 + 28695082.

It is an arithmetic number, because the mean of its divisors is an integer number (28695082).

Almost surely, 257390163 is an apocalyptic number.

57390163 is a deficient number, since it is larger than the sum of its proper divisors (1).

57390163 is an equidigital number, since it uses as much as digits as its factorization.

57390163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 57390163 is about 7575.6295447969. The cubic root of 57390163 is about 385.7262123753.

The spelling of 57390163 in words is "fifty-seven million, three hundred ninety thousand, one hundred sixty-three".