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2286189 = 32254021
BaseRepresentation
bin1000101110001001101101
311022011001200
420232021231
51041124224
6121000113
725301163
oct10561155
94264050
102286189
111321714
12923039
13620799
14437233
153025c9
hex22e26d

2286189 has 6 divisors (see below), whose sum is σ = 3302286. Its totient is φ = 1524120.

The previous prime is 2286187. The next prime is 2286197. The reversal of 2286189 is 9816822.

2286189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1550025 + 736164 = 1245^2 + 858^2 .

It is not a de Polignac number, because 2286189 - 21 = 2286187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286187) 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 5 ways as a sum of consecutive naturals, for example, 127002 + ... + 127019.

It is an arithmetic number, because the mean of its divisors is an integer number (550381).

22286189 is an apocalyptic number.

It is an amenable number.

2286189 is a deficient number, since it is larger than the sum of its proper divisors (1016097).

2286189 is a wasteful number, since it uses less digits than its factorization.

2286189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254027 (or 254024 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2286189 is about 1512.0148808792. The cubic root of 2286189 is about 131.7358699036.

The spelling of 2286189 in words is "two million, two hundred eighty-six thousand, one hundred eighty-nine".

Divisors: 1 3 9 254021 762063 2286189