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57485689 is a prime number
BaseRepresentation
bin1101101101001…
…0100101111001
311000011120112121
43123102211321
5104204020224
65412041241
71265422522
oct333224571
9130146477
1057485689
112a4a3938
1217303221
13bba9701
1478c5849
1550a7be4
hex36d2979

57485689 has 2 divisors, whose sum is σ = 57485690. Its totient is φ = 57485688.

The previous prime is 57485683. The next prime is 57485719. The reversal of 57485689 is 98658475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56746089 + 739600 = 7533^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 57485689 - 25 = 57485657 is a prime.

It is not a weakly prime, because it can be changed into another prime (57485683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28742844 + 28742845.

It is an arithmetic number, because the mean of its divisors is an integer number (28742845).

Almost surely, 257485689 is an apocalyptic number.

It is an amenable number.

57485689 is a deficient number, since it is larger than the sum of its proper divisors (1).

57485689 is an equidigital number, since it uses as much as digits as its factorization.

57485689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 52.

The square root of 57485689 is about 7581.9317459339. The cubic root of 57485689 is about 385.9401076681.

The spelling of 57485689 in words is "fifty-seven million, four hundred eighty-five thousand, six hundred eighty-nine".