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57198853 is a prime number
BaseRepresentation
bin1101101000110…
…0100100000101
310222122000002001
43122030210011
5104120330403
65401545301
71263116335
oct332144405
9128560061
1057198853
112a318388
12171a5231
13bb08c9a
14784d0c5
15504cc1d
hex368c905

57198853 has 2 divisors, whose sum is σ = 57198854. Its totient is φ = 57198852.

The previous prime is 57198851. The next prime is 57198857. The reversal of 57198853 is 35889175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44116164 + 13082689 = 6642^2 + 3617^2 .

It is a cyclic number.

It is not a de Polignac number, because 57198853 - 21 = 57198851 is a prime.

Together with 57198851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57198851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28599426 + 28599427.

It is an arithmetic number, because the mean of its divisors is an integer number (28599427).

Almost surely, 257198853 is an apocalyptic number.

It is an amenable number.

57198853 is a deficient number, since it is larger than the sum of its proper divisors (1).

57198853 is an equidigital number, since it uses as much as digits as its factorization.

57198853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 46.

The square root of 57198853 is about 7562.9923310817. The cubic root of 57198853 is about 385.2971293722.

The spelling of 57198853 in words is "fifty-seven million, one hundred ninety-eight thousand, eight hundred fifty-three".