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530726447 is a prime number
BaseRepresentation
bin11111101000100…
…011111000101111
31100222122200211002
4133220203320233
52041331221242
6124355150515
716103046266
oct3750437057
91328580732
10530726447
112526436a9
121298a543b
1385c52924
14506b35dd
15318d7432
hex1fa23e2f

530726447 has 2 divisors, whose sum is σ = 530726448. Its totient is φ = 530726446.

The previous prime is 530726389. The next prime is 530726453. The reversal of 530726447 is 744627035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 530726447 - 220 = 529677871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 530726447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530726467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265363223 + 265363224.

It is an arithmetic number, because the mean of its divisors is an integer number (265363224).

Almost surely, 2530726447 is an apocalyptic number.

530726447 is a deficient number, since it is larger than the sum of its proper divisors (1).

530726447 is an equidigital number, since it uses as much as digits as its factorization.

530726447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 530726447 is about 23037.5008844275. The cubic root of 530726447 is about 809.6368066392.

The spelling of 530726447 in words is "five hundred thirty million, seven hundred twenty-six thousand, four hundred forty-seven".