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530304889 is a prime number
BaseRepresentation
bin11111100110111…
…100111101111001
31100221212021112211
4133212330331321
52041224224024
6124342135121
716066342252
oct3746747571
91327767484
10530304889
11252385a04
121297214a1
1385b35a9a
1450603b29
1531852594
hex1f9bcf79

530304889 has 2 divisors, whose sum is σ = 530304890. Its totient is φ = 530304888.

The previous prime is 530304881. The next prime is 530304937. The reversal of 530304889 is 988403035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265429264 + 264875625 = 16292^2 + 16275^2 .

It is a cyclic number.

It is not a de Polignac number, because 530304889 - 23 = 530304881 is a prime.

It is a super-3 number, since 3×5303048893 (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (530304881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265152444 + 265152445.

It is an arithmetic number, because the mean of its divisors is an integer number (265152445).

Almost surely, 2530304889 is an apocalyptic number.

It is an amenable number.

530304889 is a deficient number, since it is larger than the sum of its proper divisors (1).

530304889 is an equidigital number, since it uses as much as digits as its factorization.

530304889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 530304889 is about 23028.3496803397. The cubic root of 530304889 is about 809.4223840100.

The spelling of 530304889 in words is "five hundred thirty million, three hundred four thousand, eight hundred eighty-nine".