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288052889 is a prime number
BaseRepresentation
bin10001001010110…
…101011010011001
3202002000121021112
4101022311122121
51042220143024
644325550105
710065260225
oct2112653231
9662017245
10288052889
11138664443
1280575335
13478a6bc7
142a383785
151a44e00e
hex112b5699

288052889 has 2 divisors, whose sum is σ = 288052890. Its totient is φ = 288052888.

The previous prime is 288052859. The next prime is 288052903. The reversal of 288052889 is 988250882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267649600 + 20403289 = 16360^2 + 4517^2 .

It is a cyclic number.

It is not a de Polignac number, because 288052889 - 216 = 287987353 is a prime.

It is a super-2 number, since 2×2880528892 = 165948933722492642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (288052859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144026444 + 144026445.

It is an arithmetic number, because the mean of its divisors is an integer number (144026445).

Almost surely, 2288052889 is an apocalyptic number.

It is an amenable number.

288052889 is a deficient number, since it is larger than the sum of its proper divisors (1).

288052889 is an equidigital number, since it uses as much as digits as its factorization.

288052889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 737280, while the sum is 50.

The square root of 288052889 is about 16972.1209340495. The cubic root of 288052889 is about 660.4258722190.

The spelling of 288052889 in words is "two hundred eighty-eight million, fifty-two thousand, eight hundred eighty-nine".