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518048893 is a prime number
BaseRepresentation
bin11110111000001…
…100110001111101
31100002210121111001
4132320030301331
52030110031033
6123223330301
715560225425
oct3670146175
91302717431
10518048893
1124647488a
121255b0991
138343440b
144cb33485
1530730e7d
hex1ee0cc7d

518048893 has 2 divisors, whose sum is σ = 518048894. Its totient is φ = 518048892.

The previous prime is 518048887. The next prime is 518048911. The reversal of 518048893 is 398840815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 510850404 + 7198489 = 22602^2 + 2683^2 .

It is a cyclic number.

It is not a de Polignac number, because 518048893 - 29 = 518048381 is a prime.

It is a super-3 number, since 3×5180488933 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518048833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259024446 + 259024447.

It is an arithmetic number, because the mean of its divisors is an integer number (259024447).

Almost surely, 2518048893 is an apocalyptic number.

It is an amenable number.

518048893 is a deficient number, since it is larger than the sum of its proper divisors (1).

518048893 is an equidigital number, since it uses as much as digits as its factorization.

518048893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 518048893 is about 22760.6874456814. The cubic root of 518048893 is about 803.1381391119.

The spelling of 518048893 in words is "five hundred eighteen million, forty-eight thousand, eight hundred ninety-three".