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57706853 is a prime number
BaseRepresentation
bin1101110000100…
…0100101100101
311000120210220212
43130020211211
5104233104403
65420505205
71300333361
oct334104545
9130523825
1057706853
112a635016
12173ab205
13bc56289
1479422a1
1550ed4d8
hex3708965

57706853 has 2 divisors, whose sum is σ = 57706854. Its totient is φ = 57706852.

The previous prime is 57706787. The next prime is 57706861. The reversal of 57706853 is 35860775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33431524 + 24275329 = 5782^2 + 4927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57706853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57706853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57706153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28853426 + 28853427.

It is an arithmetic number, because the mean of its divisors is an integer number (28853427).

Almost surely, 257706853 is an apocalyptic number.

It is an amenable number.

57706853 is a deficient number, since it is larger than the sum of its proper divisors (1).

57706853 is an equidigital number, since it uses as much as digits as its factorization.

57706853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 57706853 is about 7596.5026821558. The cubic root of 57706853 is about 386.4344152063.

The spelling of 57706853 in words is "fifty-seven million, seven hundred six thousand, eight hundred fifty-three".