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2938081 is a prime number
BaseRepresentation
bin1011001101010011100001
312112021021211
423031103201
51223004311
6142550121
733654556
oct13152341
95467254
102938081
111727473
12b98341
137bb413
14566a2d
153d0821
hex2cd4e1

2938081 has 2 divisors, whose sum is σ = 2938082. Its totient is φ = 2938080.

The previous prime is 2938079. The next prime is 2938097. The reversal of 2938081 is 1808392.

2938081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 429025 = 1584^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2938081 - 21 = 2938079 is a prime.

It is a super-2 number, since 2×29380812 = 17264639925122, which contains 22 as substring.

Together with 2938079, 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 (2938021) 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, 1469040 + 1469041.

It is an arithmetic number, because the mean of its divisors is an integer number (1469041).

22938081 is an apocalyptic number.

It is an amenable number.

2938081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2938081 is an equidigital number, since it uses as much as digits as its factorization.

2938081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2938081 is about 1714.0831368402. The cubic root of 2938081 is about 143.2257993996.

The spelling of 2938081 in words is "two million, nine hundred thirty-eight thousand, eighty-one".