Base | Representation |
---|---|
bin | 1000011110111011010110 |
3 | 11011222112002 |
4 | 20132323112 |
5 | 1032130310 |
6 | 115355302 |
7 | 24621320 |
oct | 10367326 |
9 | 4158462 |
10 | 2223830 |
11 | 1289884 |
12 | 8b2b32 |
13 | 5cb29b |
14 | 41c610 |
15 | 2ddda5 |
hex | 21eed6 |
2223830 has 16 divisors (see below), whose sum is σ = 4574880. Its totient is φ = 762432.
The previous prime is 2223829. The next prime is 2223833. The reversal of 2223830 is 383222.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2223833) 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 7 ways as a sum of consecutive naturals, for example, 15815 + ... + 15954.
It is an arithmetic number, because the mean of its divisors is an integer number (285930).
22223830 is an apocalyptic number.
2223830 is an abundant number, since it is smaller than the sum of its proper divisors (2351050).
2223830 is a wasteful number, since it uses less digits than its factorization.
2223830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31783.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 2223830 is about 1491.2511525561. The cubic root of 2223830 is about 130.5270516382.
The spelling of 2223830 in words is "two million, two hundred twenty-three thousand, eight hundred thirty".
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