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57354149 is a prime number
BaseRepresentation
bin1101101011001…
…0011110100101
310222220220002202
43122302132211
5104140313044
65405144245
71264334156
oct332623645
9128826082
1057354149
112a414026
121725b085
13bb61888
14788d92d
15507dc4e
hex36b27a5

57354149 has 2 divisors, whose sum is σ = 57354150. Its totient is φ = 57354148.

The previous prime is 57354139. The next prime is 57354161. The reversal of 57354149 is 94145375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57002500 + 351649 = 7550^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 57354149 - 28 = 57353893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57354139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28677074 + 28677075.

It is an arithmetic number, because the mean of its divisors is an integer number (28677075).

Almost surely, 257354149 is an apocalyptic number.

It is an amenable number.

57354149 is a deficient number, since it is larger than the sum of its proper divisors (1).

57354149 is an equidigital number, since it uses as much as digits as its factorization.

57354149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 57354149 is about 7573.2522076054. The cubic root of 57354149 is about 385.6455106785.

The spelling of 57354149 in words is "fifty-seven million, three hundred fifty-four thousand, one hundred forty-nine".