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557464319 is a prime number
BaseRepresentation
bin100001001110100…
…011101011111111
31102211222010021122
4201032203223333
52120202324234
6131152221155
716546240256
oct4116435377
91384863248
10557464319
11266746215
1213683a7bb
138b654b59
145407379d
1533e1992e
hex213a3aff

557464319 has 2 divisors, whose sum is σ = 557464320. Its totient is φ = 557464318.

The previous prime is 557464291. The next prime is 557464333. The reversal of 557464319 is 913464755.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-557464319 is a prime.

It is a super-2 number, since 2×5574643192 = 621532933916267522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 557464319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557464339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278732159 + 278732160.

It is an arithmetic number, because the mean of its divisors is an integer number (278732160).

Almost surely, 2557464319 is an apocalyptic number.

557464319 is a deficient number, since it is larger than the sum of its proper divisors (1).

557464319 is an equidigital number, since it uses as much as digits as its factorization.

557464319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The square root of 557464319 is about 23610.6823069559. The cubic root of 557464319 is about 823.0110983465.

The spelling of 557464319 in words is "five hundred fifty-seven million, four hundred sixty-four thousand, three hundred nineteen".