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2389589 is a prime number
BaseRepresentation
bin1001000111011001010101
311111101220022
421013121111
51102431324
6123114525
726211506
oct11073125
94441808
102389589
111392374
12972a45
13658877
14462bad
1532305e
hex247655

2389589 has 2 divisors, whose sum is σ = 2389590. Its totient is φ = 2389588.

The previous prime is 2389577. The next prime is 2389591. The reversal of 2389589 is 9859832.

2389589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 1067089 = 1150^2 + 1033^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2389589 is a prime.

Together with 2389591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2389529) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194794 + 1194795.

It is an arithmetic number, because the mean of its divisors is an integer number (1194795).

22389589 is an apocalyptic number.

It is an amenable number.

2389589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389589 is an equidigital number, since it uses as much as digits as its factorization.

2389589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The square root of 2389589 is about 1545.8295507591. The cubic root of 2389589 is about 133.6927131149.

The spelling of 2389589 in words is "two million, three hundred eighty-nine thousand, five hundred eighty-nine".