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BaseRepresentation
bin1000110100011111011
3112200110102
41012203323
533222034
610110015
72312423
oct1064373
9480412
10289019
11188165
1211b30b
13a1723
1477483
155a97e
hex468fb

289019 has 2 divisors, whose sum is σ = 289020. Its totient is φ = 289018.

The previous prime is 289001. The next prime is 289021. The reversal of 289019 is 910982.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-289019 is a prime.

It is a super-2 number, since 2×2890192 = 167063964722, which contains 22 as substring.

Together with 289021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 288982 and 289000.

It is not a weakly prime, because it can be changed into another prime (289039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144509 + 144510.

It is an arithmetic number, because the mean of its divisors is an integer number (144510).

2289019 is an apocalyptic number.

289019 is a deficient number, since it is larger than the sum of its proper divisors (1).

289019 is an equidigital number, since it uses as much as digits as its factorization.

289019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 289019 is about 537.6048734898. The cubic root of 289019 is about 66.1163390374.

The spelling of 289019 in words is "two hundred eighty-nine thousand, nineteen".