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2207129 is a prime number
BaseRepresentation
bin1000011010110110011001
311011010121112
420122312121
51031112004
6115150105
724521531
oct10326631
94133545
102207129
111278281
128a5335
135c37c2
144164c1
152d8e6e
hex21ad99

2207129 has 2 divisors, whose sum is σ = 2207130. Its totient is φ = 2207128.

The previous prime is 2207123. The next prime is 2207143. The reversal of 2207129 is 9217022.

2207129 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., 2181529 + 25600 = 1477^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207129 - 24 = 2207113 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2207123) 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, 1103564 + 1103565.

It is an arithmetic number, because the mean of its divisors is an integer number (1103565).

22207129 is an apocalyptic number.

It is an amenable number.

2207129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207129 is an equidigital number, since it uses as much as digits as its factorization.

2207129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2207129 is about 1485.6409391236. The cubic root of 2207129 is about 130.1994767964.

The spelling of 2207129 in words is "two million, two hundred seven thousand, one hundred twenty-nine".