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2838149 is a prime number
BaseRepresentation
bin1010110100111010000101
312100012012122
422310322011
51211310044
6140455325
733060326
oct12647205
95305178
102838149
111669386
12b4a545
13784aa2
1453c44d
153b0dee
hex2b4e85

2838149 has 2 divisors, whose sum is σ = 2838150. Its totient is φ = 2838148.

The previous prime is 2838139. The next prime is 2838151. The reversal of 2838149 is 9418382.

It is a happy number.

2838149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2829124 + 9025 = 1682^2 + 95^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2838149 is a prime.

Together with 2838151, 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 (2838109) 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, 1419074 + 1419075.

It is an arithmetic number, because the mean of its divisors is an integer number (1419075).

22838149 is an apocalyptic number.

It is an amenable number.

2838149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2838149 is an equidigital number, since it uses as much as digits as its factorization.

2838149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 2838149 is about 1684.6806819098. The cubic root of 2838149 is about 141.5832022005.

The spelling of 2838149 in words is "two million, eight hundred thirty-eight thousand, one hundred forty-nine".