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57764969 is a prime number
BaseRepresentation
bin1101110001011…
…0110001101001
311000200202122022
43130112301221
5104241434334
65422034225
71300664663
oct334266151
9130622568
1057764969
112a674749
1217418975
13bc76872
147959533
15511082e
hex3716c69

57764969 has 2 divisors, whose sum is σ = 57764970. Its totient is φ = 57764968.

The previous prime is 57764957. The next prime is 57764981. The reversal of 57764969 is 96946775.

It is a balanced prime because it is at equal distance from previous prime (57764957) and next prime (57764981).

It can be written as a sum of positive squares in only one way, i.e., 54834025 + 2930944 = 7405^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 57764969 - 28 = 57764713 is a prime.

It is a super-2 number, since 2×577649692 = 6673583287141922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57764969.

It is not a weakly prime, because it can be changed into another prime (57764999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28882484 + 28882485.

It is an arithmetic number, because the mean of its divisors is an integer number (28882485).

Almost surely, 257764969 is an apocalyptic number.

It is an amenable number.

57764969 is a deficient number, since it is larger than the sum of its proper divisors (1).

57764969 is an equidigital number, since it uses as much as digits as its factorization.

57764969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 53.

The square root of 57764969 is about 7600.3269008642. The cubic root of 57764969 is about 386.5640964396.

The spelling of 57764969 in words is "fifty-seven million, seven hundred sixty-four thousand, nine hundred sixty-nine".