Search a number
-
+
57985223 is a prime number
BaseRepresentation
bin1101110100110…
…0100011000111
311001002221202212
43131030203013
5104321011343
65430454035
71302603062
oct335144307
9131087685
1057985223
112a80517a
121750431b
13c022baa
1479b58d9
155155c18
hex374c8c7

57985223 has 2 divisors, whose sum is σ = 57985224. Its totient is φ = 57985222.

The previous prime is 57985219. The next prime is 57985229. The reversal of 57985223 is 32258975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57985223 - 22 = 57985219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57985229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28992611 + 28992612.

It is an arithmetic number, because the mean of its divisors is an integer number (28992612).

Almost surely, 257985223 is an apocalyptic number.

57985223 is a deficient number, since it is larger than the sum of its proper divisors (1).

57985223 is an equidigital number, since it uses as much as digits as its factorization.

57985223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 57985223 is about 7614.8028864837. The cubic root of 57985223 is about 387.0547877395.

The spelling of 57985223 in words is "fifty-seven million, nine hundred eighty-five thousand, two hundred twenty-three".