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530310281 is a prime number
BaseRepresentation
bin11111100110111…
…110010010001001
31100221212112221112
4133212332102021
52041224412111
6124342220105
716066364054
oct3746762211
91327775845
10530310281
11252389a66
12129724635
1385b38387
1450605a9b
1531853e8b
hex1f9be489

530310281 has 2 divisors, whose sum is σ = 530310282. Its totient is φ = 530310280.

The previous prime is 530310239. The next prime is 530310301. The reversal of 530310281 is 182013035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385926025 + 144384256 = 19645^2 + 12016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530310281 is a prime.

It is a super-2 number, since 2×5303102812 = 562457988268597922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (530310181) 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, 265155140 + 265155141.

It is an arithmetic number, because the mean of its divisors is an integer number (265155141).

Almost surely, 2530310281 is an apocalyptic number.

It is an amenable number.

530310281 is a deficient number, since it is larger than the sum of its proper divisors (1).

530310281 is an equidigital number, since it uses as much as digits as its factorization.

530310281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 530310281 is about 23028.4667531297. The cubic root of 530310281 is about 809.4251273317.

The spelling of 530310281 in words is "five hundred thirty million, three hundred ten thousand, two hundred eighty-one".