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2000291 is a prime number
BaseRepresentation
bin111101000010110100011
310202121212212
413220112203
51003002131
6110512335
723000516
oct7502643
93677785
102000291
111146937
128056ab
13550607
143a0d7d
15297a2b
hex1e85a3

2000291 has 2 divisors, whose sum is σ = 2000292. Its totient is φ = 2000290.

The previous prime is 2000281. The next prime is 2000293. The reversal of 2000291 is 1920002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000291 - 26 = 2000227 is a prime.

Together with 2000293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2000293) 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, 1000145 + 1000146.

It is an arithmetic number, because the mean of its divisors is an integer number (1000146).

22000291 is an apocalyptic number.

2000291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000291 is an equidigital number, since it uses as much as digits as its factorization.

2000291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2000291 is about 1414.3164426676. The cubic root of 2000291 is about 125.9982153102.

Adding to 2000291 its reverse (1920002), we get a palindrome (3920293).

The spelling of 2000291 in words is "two million, two hundred ninety-one", and thus it is an aban number.