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57105173 is a prime number
BaseRepresentation
bin1101100111010…
…1101100010101
310222110020120102
43121311230111
5104104331143
65355543445
71262246246
oct331655425
9128406512
1057105173
112a263a64
121715ab85
13baa5458
147826ccd
1550300b8
hex3675b15

57105173 has 2 divisors, whose sum is σ = 57105174. Its totient is φ = 57105172.

The previous prime is 57105119. The next prime is 57105179. The reversal of 57105173 is 37150175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53333809 + 3771364 = 7303^2 + 1942^2 .

It is a cyclic number.

It is not a de Polignac number, because 57105173 - 218 = 56843029 is a prime.

It is a super-2 number, since 2×571051732 = 6522001566719858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57105179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28552586 + 28552587.

It is an arithmetic number, because the mean of its divisors is an integer number (28552587).

Almost surely, 257105173 is an apocalyptic number.

It is an amenable number.

57105173 is a deficient number, since it is larger than the sum of its proper divisors (1).

57105173 is an equidigital number, since it uses as much as digits as its factorization.

57105173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 57105173 is about 7556.7964773441. The cubic root of 57105173 is about 385.0866685189.

The spelling of 57105173 in words is "fifty-seven million, one hundred five thousand, one hundred seventy-three".