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57894769 is a prime number
BaseRepresentation
bin1101110011011…
…0011101110001
311000221100200201
43130312131301
5104310113034
65424515201
71302045262
oct334663561
9130840621
1057894769
112a753219
121747bb01
13bcc097a
147990969
155139014
hex3736771

57894769 has 2 divisors, whose sum is σ = 57894770. Its totient is φ = 57894768.

The previous prime is 57894757. The next prime is 57894779. The reversal of 57894769 is 96749875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42094144 + 15800625 = 6488^2 + 3975^2 .

It is a cyclic number.

It is not a de Polignac number, because 57894769 - 25 = 57894737 is a prime.

It is a super-2 number, since 2×578947692 = 6703608555126722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57894779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28947384 + 28947385.

It is an arithmetic number, because the mean of its divisors is an integer number (28947385).

Almost surely, 257894769 is an apocalyptic number.

It is an amenable number.

57894769 is a deficient number, since it is larger than the sum of its proper divisors (1).

57894769 is an equidigital number, since it uses as much as digits as its factorization.

57894769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The square root of 57894769 is about 7608.8612157142. The cubic root of 57894769 is about 386.8534210654.

The spelling of 57894769 in words is "fifty-seven million, eight hundred ninety-four thousand, seven hundred sixty-nine".