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2882081 is a prime number
BaseRepresentation
bin1010111111101000100001
312102102110202
422333220201
51214211311
6141434545
733332366
oct12775041
95372422
102882081
111699394
12b6ba55
1379ba97
1455046d
153bde3b
hex2bfa21

2882081 has 2 divisors, whose sum is σ = 2882082. Its totient is φ = 2882080.

The previous prime is 2882071. The next prime is 2882083. The reversal of 2882081 is 1802882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2835856 + 46225 = 1684^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 2882081 - 210 = 2881057 is a prime.

It is a super-2 number, since 2×28820812 = 16612781781122, which contains 22 as substring.

Together with 2882083, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2882083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1441040 + 1441041.

It is an arithmetic number, because the mean of its divisors is an integer number (1441041).

22882081 is an apocalyptic number.

It is an amenable number.

2882081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2882081 is an equidigital number, since it uses as much as digits as its factorization.

2882081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 2882081 is about 1697.6692846370. The cubic root of 2882081 is about 142.3099919615.

The spelling of 2882081 in words is "two million, eight hundred eighty-two thousand, eighty-one".