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288279113 is a prime number
BaseRepresentation
bin10001001011101…
…100101001001001
3202002110002121012
4101023230221021
51042244412423
644334453305
710100221613
oct2113545111
9662402535
10288279113
111387a9401
1280664235
1347955b75
142a401db3
151a496078
hex112eca49

288279113 has 2 divisors, whose sum is σ = 288279114. Its totient is φ = 288279112.

The previous prime is 288279073. The next prime is 288279119. The reversal of 288279113 is 311972882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188018944 + 100260169 = 13712^2 + 10013^2 .

It is a cyclic number.

It is not a de Polignac number, because 288279113 - 216 = 288213577 is a prime.

It is not a weakly prime, because it can be changed into another prime (288279119) 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, 144139556 + 144139557.

It is an arithmetic number, because the mean of its divisors is an integer number (144139557).

Almost surely, 2288279113 is an apocalyptic number.

It is an amenable number.

288279113 is a deficient number, since it is larger than the sum of its proper divisors (1).

288279113 is an equidigital number, since it uses as much as digits as its factorization.

288279113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 288279113 is about 16978.7842026454. The cubic root of 288279113 is about 660.5987167364.

The spelling of 288279113 in words is "two hundred eighty-eight million, two hundred seventy-nine thousand, one hundred thirteen".