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2214191 = 73783103
BaseRepresentation
bin1000011100100100101111
311011111022002
420130210233
51031323231
6115242515
724551240
oct10344457
94144262
102214191
111282611
128a943b
135c6a95
14418cc7
152db0cb
hex21c92f

2214191 has 16 divisors (see below), whose sum is σ = 2655744. Its totient is φ = 1806624.

The previous prime is 2214169. The next prime is 2214193. The reversal of 2214191 is 1914122.

2214191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2214191 - 218 = 1952047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214193) 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 in 15 ways as a sum of consecutive naturals, for example, 21446 + ... + 21548.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

22214191 is an apocalyptic number.

2214191 is a deficient number, since it is larger than the sum of its proper divisors (441553).

2214191 is a wasteful number, since it uses less digits than its factorization.

2214191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 144, while the sum is 20.

The square root of 2214191 is about 1488.0157929269. The cubic root of 2214191 is about 130.3381924145.

The spelling of 2214191 in words is "two million, two hundred fourteen thousand, one hundred ninety-one".

Divisors: 1 7 37 83 103 259 581 721 3071 3811 8549 21497 26677 59843 316313 2214191