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252298489 is a prime number
BaseRepresentation
bin11110000100111…
…00010011111001
3122120202002110111
433002130103321
51004042022424
641011344321
76152334052
oct1702342371
9576662414
10252298489
1111a463653
12705b20a1
1340368961
1425717729
151723a194
hexf09c4f9

252298489 has 2 divisors, whose sum is σ = 252298490. Its totient is φ = 252298488.

The previous prime is 252298471. The next prime is 252298493. The reversal of 252298489 is 984892252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127306089 + 124992400 = 11283^2 + 11180^2 .

It is a cyclic number.

It is not a de Polignac number, because 252298489 - 25 = 252298457 is a prime.

It is not a weakly prime, because it can be changed into another prime (252298499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126149244 + 126149245.

It is an arithmetic number, because the mean of its divisors is an integer number (126149245).

Almost surely, 2252298489 is an apocalyptic number.

It is an amenable number.

252298489 is a deficient number, since it is larger than the sum of its proper divisors (1).

252298489 is an equidigital number, since it uses as much as digits as its factorization.

252298489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 49.

The square root of 252298489 is about 15883.9066038554. The cubic root of 252298489 is about 631.8852481198.

The spelling of 252298489 in words is "two hundred fifty-two million, two hundred ninety-eight thousand, four hundred eighty-nine".