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2239387 is a prime number
BaseRepresentation
bin1000100010101110011011
311012202212021
420202232123
51033130022
6115555311
725014553
oct10425633
94182767
102239387
11129a537
128bbb37
136053a7
14424163
152e37c7
hex222b9b

2239387 has 2 divisors, whose sum is σ = 2239388. Its totient is φ = 2239386.

The previous prime is 2239373. The next prime is 2239417. The reversal of 2239387 is 7839322.

2239387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2239387 - 215 = 2206619 is a prime.

2239387 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2239327) 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, 1119693 + 1119694.

It is an arithmetic number, because the mean of its divisors is an integer number (1119694).

22239387 is an apocalyptic number.

2239387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239387 is an equidigital number, since it uses as much as digits as its factorization.

2239387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 2239387 is about 1496.4581517704. The cubic root of 2239387 is about 130.8307158207.

The spelling of 2239387 in words is "two million, two hundred thirty-nine thousand, three hundred eighty-seven".