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57201899 is a prime number
BaseRepresentation
bin1101101000110…
…1010011101011
310222122011020212
43122031103223
5104120430044
65402011335
71263131246
oct332152353
9128564225
1057201899
112a31a6a7
12171a6b4b
13bb0a4a1
14785025d
15504da9e
hex368d4eb

57201899 has 2 divisors, whose sum is σ = 57201900. Its totient is φ = 57201898.

The previous prime is 57201887. The next prime is 57201979. The reversal of 57201899 is 99810275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57201899 - 24 = 57201883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57201839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28600949 + 28600950.

It is an arithmetic number, because the mean of its divisors is an integer number (28600950).

Almost surely, 257201899 is an apocalyptic number.

57201899 is a deficient number, since it is larger than the sum of its proper divisors (1).

57201899 is an equidigital number, since it uses as much as digits as its factorization.

57201899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 57201899 is about 7563.1937037207. The cubic root of 57201899 is about 385.3039686365.

The spelling of 57201899 in words is "fifty-seven million, two hundred one thousand, eight hundred ninety-nine".