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2289213 = 322311059
BaseRepresentation
bin1000101110111000111101
311022022012200
420232320331
51041223323
6121022113
725313043
oct10567075
94268180
102289213
111323a13
12924939
13621c84
14438393
15303443
hex22ee3d

2289213 has 12 divisors (see below), whose sum is σ = 3450720. Its totient is φ = 1459656.

The previous prime is 2289211. The next prime is 2289233. The reversal of 2289213 is 3129822.

It is a happy number.

It is not a de Polignac number, because 2289213 - 21 = 2289211 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 25 + 27 + 87 + 94 + 213 + 1 + 311 .

2289213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5323 + ... + 5736.

It is an arithmetic number, because the mean of its divisors is an integer number (287560).

22289213 is an apocalyptic number.

2289213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2289213 is a deficient number, since it is larger than the sum of its proper divisors (1161507).

2289213 is a wasteful number, since it uses less digits than its factorization.

2289213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11088 (or 11085 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2289213 is about 1513.0145405778. The cubic root of 2289213 is about 131.7939277684.

The spelling of 2289213 in words is "two million, two hundred eighty-nine thousand, two hundred thirteen".

Divisors: 1 3 9 23 69 207 11059 33177 99531 254357 763071 2289213