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2889149 is a prime number
BaseRepresentation
bin1011000001010110111101
312102210011112
423001112331
51214423044
6141531405
733362114
oct13012675
95383145
102889149
1116a372a
12b73b65
137a2073
14552c7b
153c109e
hex2c15bd

2889149 has 2 divisors, whose sum is σ = 2889150. Its totient is φ = 2889148.

The previous prime is 2889119. The next prime is 2889151. The reversal of 2889149 is 9419882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2829124 + 60025 = 1682^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2889149 is a prime.

Together with 2889151, 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 (2889119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444574 + 1444575.

It is an arithmetic number, because the mean of its divisors is an integer number (1444575).

22889149 is an apocalyptic number.

It is an amenable number.

2889149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2889149 is an equidigital number, since it uses as much as digits as its factorization.

2889149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 41.

The square root of 2889149 is about 1699.7496874540. The cubic root of 2889149 is about 142.4262304129.

The spelling of 2889149 in words is "two million, eight hundred eighty-nine thousand, one hundred forty-nine".