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2207081 is a prime number
BaseRepresentation
bin1000011010110101101001
311011010112202
420122311221
51031111311
6115145545
724521432
oct10326551
94133482
102207081
111278238
128a52b5
135c3786
14416489
152d8e3b
hex21ad69

2207081 has 2 divisors, whose sum is σ = 2207082. Its totient is φ = 2207080.

The previous prime is 2207069. The next prime is 2207099. The reversal of 2207081 is 1807022.

2207081 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., 2128681 + 78400 = 1459^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207081 - 26 = 2207017 is a prime.

It is a super-2 number, since 2×22070812 = 9742413081122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2207281) 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, 1103540 + 1103541.

It is an arithmetic number, because the mean of its divisors is an integer number (1103541).

22207081 is an apocalyptic number.

It is an amenable number.

2207081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207081 is an equidigital number, since it uses as much as digits as its factorization.

2207081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 2207081 is about 1485.6247843921. The cubic root of 2207081 is about 130.1985329427.

The spelling of 2207081 in words is "two million, two hundred seven thousand, eighty-one".