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530756789 is a prime number
BaseRepresentation
bin11111101000101…
…011010010110101
31100222201020102212
4133220223102311
52041333204124
6124355543205
716103233613
oct3750532265
91328636385
10530756789
11252664482
121298bab05
1385c63694
14506c06b3
15318e140e
hex1fa2b4b5

530756789 has 2 divisors, whose sum is σ = 530756790. Its totient is φ = 530756788.

The previous prime is 530756777. The next prime is 530756801. The reversal of 530756789 is 987657035.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (530756777) and next prime (530756801).

It can be written as a sum of positive squares in only one way, i.e., 478078225 + 52678564 = 21865^2 + 7258^2 .

It is a cyclic number.

It is not a de Polignac number, because 530756789 - 224 = 513979573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530756719) 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, 265378394 + 265378395.

It is an arithmetic number, because the mean of its divisors is an integer number (265378395).

Almost surely, 2530756789 is an apocalyptic number.

It is an amenable number.

530756789 is a deficient number, since it is larger than the sum of its proper divisors (1).

530756789 is an equidigital number, since it uses as much as digits as its factorization.

530756789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 530756789 is about 23038.1594099876. The cubic root of 530756789 is about 809.6522355116.

The spelling of 530756789 in words is "five hundred thirty million, seven hundred fifty-six thousand, seven hundred eighty-nine".