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530749273 is a prime number
BaseRepresentation
bin11111101000101…
…001011101011001
31100222200212010111
4133220221131121
52041332434043
6124355444321
716103202655
oct3750513531
91328625114
10530749273
1125265986a
121298b66a1
1385c60132
14506bba65
15318de09d
hex1fa29759

530749273 has 2 divisors, whose sum is σ = 530749274. Its totient is φ = 530749272.

The previous prime is 530749259. The next prime is 530749313. The reversal of 530749273 is 372947035.

It is an a-pointer prime, because the next prime (530749313) can be obtained adding 530749273 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387420489 + 143328784 = 19683^2 + 11972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530749273 is a prime.

It is not a weakly prime, because it can be changed into another prime (530749573) 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, 265374636 + 265374637.

It is an arithmetic number, because the mean of its divisors is an integer number (265374637).

Almost surely, 2530749273 is an apocalyptic number.

It is an amenable number.

530749273 is a deficient number, since it is larger than the sum of its proper divisors (1).

530749273 is an equidigital number, since it uses as much as digits as its factorization.

530749273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 530749273 is about 23037.9962887400. The cubic root of 530749273 is about 809.6484136890.

The spelling of 530749273 in words is "five hundred thirty million, seven hundred forty-nine thousand, two hundred seventy-three".