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2082389 = 3136653
BaseRepresentation
bin111111100011001010101
310220210111112
413330121111
51013114024
6112344405
723462051
oct7743125
93823445
102082389
1111a2591
12845105
1357baaa
143c2c61
152b200e
hex1fc655

2082389 has 4 divisors (see below), whose sum is σ = 2089356. Its totient is φ = 2075424.

The previous prime is 2082341. The next prime is 2082391. The reversal of 2082389 is 9832802.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28900 + 2053489 = 170^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 2082389 - 28 = 2082133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082589) 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 in 3 ways as a sum of consecutive naturals, for example, 3014 + ... + 3639.

It is an arithmetic number, because the mean of its divisors is an integer number (522339).

22082389 is an apocalyptic number.

It is an amenable number.

2082389 is a deficient number, since it is larger than the sum of its proper divisors (6967).

2082389 is an equidigital number, since it uses as much as digits as its factorization.

2082389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2082389 is about 1443.0485092331. The cubic root of 2082389 is about 127.6989384414.

The spelling of 2082389 in words is "two million, eighty-two thousand, three hundred eighty-nine".

Divisors: 1 313 6653 2082389