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2289149 is a prime number
BaseRepresentation
bin1000101110110111111101
311022022010022
420232313331
51041223044
6121021525
725312622
oct10566775
94268108
102289149
111323965
129248a5
13621c35
14438349
153033ee
hex22edfd

2289149 has 2 divisors, whose sum is σ = 2289150. Its totient is φ = 2289148.

The previous prime is 2289143. The next prime is 2289151. The reversal of 2289149 is 9419822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716100 + 573049 = 1310^2 + 757^2 .

It is a cyclic number.

It is not a de Polignac number, because 2289149 - 28 = 2288893 is a prime.

Together with 2289151, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p168767 and since 2289149 and 168767 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2289143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144574 + 1144575.

It is an arithmetic number, because the mean of its divisors is an integer number (1144575).

22289149 is an apocalyptic number.

It is an amenable number.

2289149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289149 is an equidigital number, since it uses as much as digits as its factorization.

2289149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 2289149 is about 1512.9933906002. The cubic root of 2289149 is about 131.7926995602.

The spelling of 2289149 in words is "two million, two hundred eighty-nine thousand, one hundred forty-nine".