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530448397 is a prime number
BaseRepresentation
bin11111100111100…
…000000000001101
31100222010120101221
4133213200000031
52041243322042
6124345203341
716100510533
oct3747400015
91328116357
10530448397
11252473806
12129790551
1385b861bb
1450640153
153187ed67
hex1f9e000d

530448397 has 2 divisors, whose sum is σ = 530448398. Its totient is φ = 530448396.

The previous prime is 530448383. The next prime is 530448419. The reversal of 530448397 is 793844035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 502028836 + 28419561 = 22406^2 + 5331^2 .

It is a cyclic number.

It is not a de Polignac number, because 530448397 - 211 = 530446349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (530448197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265224198 + 265224199.

It is an arithmetic number, because the mean of its divisors is an integer number (265224199).

Almost surely, 2530448397 is an apocalyptic number.

It is an amenable number.

530448397 is a deficient number, since it is larger than the sum of its proper divisors (1).

530448397 is an equidigital number, since it uses as much as digits as its factorization.

530448397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 530448397 is about 23031.4653680568. The cubic root of 530448397 is about 809.4953911382.

The spelling of 530448397 in words is "five hundred thirty million, four hundred forty-eight thousand, three hundred ninety-seven".