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493549093 is a prime number
BaseRepresentation
bin11101011010101…
…111011000100101
31021101200220002001
4131122233120211
52002322032333
6120550245301
715142045432
oct3532573045
91241626061
10493549093
11233660814
12119356831
137b336aab
1449796b89
152d4e1b7d
hex1d6af625

493549093 has 2 divisors, whose sum is σ = 493549094. Its totient is φ = 493549092.

The previous prime is 493549039. The next prime is 493549097. The reversal of 493549093 is 390945394.

Together with previous prime (493549039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434597409 + 58951684 = 20847^2 + 7678^2 .

It is a cyclic number.

It is not a de Polignac number, because 493549093 - 217 = 493418021 is a prime.

It is a super-2 number, since 2×4935490932 = 487181414402245298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493549097) 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, 246774546 + 246774547.

It is an arithmetic number, because the mean of its divisors is an integer number (246774547).

Almost surely, 2493549093 is an apocalyptic number.

It is an amenable number.

493549093 is a deficient number, since it is larger than the sum of its proper divisors (1).

493549093 is an equidigital number, since it uses as much as digits as its factorization.

493549093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 46.

The square root of 493549093 is about 22215.9648226225. The cubic root of 493549093 is about 790.2723480151.

The spelling of 493549093 in words is "four hundred ninety-three million, five hundred forty-nine thousand, ninety-three".