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530220287 is a prime number
BaseRepresentation
bin11111100110101…
…000010011111111
31100221200222111102
4133212220103333
52041214022122
6124340243315
716065540512
oct3746502377
91327628442
10530220287
11252328393
121296a053b
1385b0641c
14505c0d79
1531837492
hex1f9a84ff

530220287 has 2 divisors, whose sum is σ = 530220288. Its totient is φ = 530220286.

The previous prime is 530220283. The next prime is 530220331. The reversal of 530220287 is 782022035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530220287 - 22 = 530220283 is a prime.

It is a super-2 number, since 2×5302202872 = 562267105492724738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530220281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265110143 + 265110144.

It is an arithmetic number, because the mean of its divisors is an integer number (265110144).

Almost surely, 2530220287 is an apocalyptic number.

530220287 is a deficient number, since it is larger than the sum of its proper divisors (1).

530220287 is an equidigital number, since it uses as much as digits as its factorization.

530220287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 530220287 is about 23026.5126973235. The cubic root of 530220287 is about 809.3793380844.

It can be divided in two parts, 53022028 and 7, that added together give a palindrome (53022035).

The spelling of 530220287 in words is "five hundred thirty million, two hundred twenty thousand, two hundred eighty-seven".