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530756449 is a prime number
BaseRepresentation
bin11111101000101…
…011001101100001
31100222201012222021
4133220223031201
52041333201244
6124355541441
716103232616
oct3750531541
91328635867
10530756449
112526641a3
121298ba881
1385c63492
14506c050d
15318e1284
hex1fa2b361

530756449 has 2 divisors, whose sum is σ = 530756450. Its totient is φ = 530756448.

The previous prime is 530756423. The next prime is 530756467. The reversal of 530756449 is 944657035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415344400 + 115412049 = 20380^2 + 10743^2 .

It is a cyclic number.

It is not a de Polignac number, because 530756449 - 25 = 530756417 is a prime.

It is not a weakly prime, because it can be changed into another prime (530756419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265378224 + 265378225.

It is an arithmetic number, because the mean of its divisors is an integer number (265378225).

Almost surely, 2530756449 is an apocalyptic number.

It is an amenable number.

530756449 is a deficient number, since it is larger than the sum of its proper divisors (1).

530756449 is an equidigital number, since it uses as much as digits as its factorization.

530756449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 530756449 is about 23038.1520309247. The cubic root of 530756449 is about 809.6520626253.

The spelling of 530756449 in words is "five hundred thirty million, seven hundred fifty-six thousand, four hundred forty-nine".