Search a number
-
+
57199069 is a prime number
BaseRepresentation
bin1101101000110…
…0100111011101
310222122000101001
43122030213131
5104120332234
65401550301
71263120064
oct332144735
9128560331
1057199069
112a318564
12171a5391
13bb09105
14784d1db
15504cd14
hex368c9dd

57199069 has 2 divisors, whose sum is σ = 57199070. Its totient is φ = 57199068.

The previous prime is 57198979. The next prime is 57199127. The reversal of 57199069 is 96099175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57198969 + 100 = 7563^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 57199069 - 215 = 57166301 is a prime.

It is a super-2 number, since 2×571990692 = 6543466988933522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57193069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28599534 + 28599535.

It is an arithmetic number, because the mean of its divisors is an integer number (28599535).

Almost surely, 257199069 is an apocalyptic number.

It is an amenable number.

57199069 is a deficient number, since it is larger than the sum of its proper divisors (1).

57199069 is an equidigital number, since it uses as much as digits as its factorization.

57199069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 57199069 is about 7563.0066111303. The cubic root of 57199069 is about 385.2976143707.

The spelling of 57199069 in words is "fifty-seven million, one hundred ninety-nine thousand, sixty-nine".