Base | Representation |
---|---|
bin | 1000010010001100… |
… | …1111011011011101 |
3 | 12201222112022021211 |
4 | 2010203033123131 |
5 | 14023300040444 |
6 | 1004400224421 |
7 | 106052151400 |
oct | 20443173335 |
9 | 5658468254 |
10 | 2223830749 |
11 | a41326a58 |
12 | 52090b111 |
13 | 2959565aa |
14 | 1714c1d37 |
15 | d0377c34 |
hex | 848cf6dd |
2223830749 has 12 divisors (see below), whose sum is σ = 2601868284. Its totient is φ = 1895115264.
The previous prime is 2223830731. The next prime is 2223830759. The reversal of 2223830749 is 9470383222.
It can be written as a sum of positive squares in 2 ways, for example, as 1706268249 + 517562500 = 41307^2 + 22750^2 .
It is not a de Polignac number, because 2223830749 - 217 = 2223699677 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2223830729) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122692 + ... + 139645.
It is an arithmetic number, because the mean of its divisors is an integer number (216822357).
Almost surely, 22223830749 is an apocalyptic number.
It is an amenable number.
2223830749 is a deficient number, since it is larger than the sum of its proper divisors (378037535).
2223830749 is a wasteful number, since it uses less digits than its factorization.
2223830749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 262524 (or 262517 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 40.
The square root of 2223830749 is about 47157.5099957578. The cubic root of 2223830749 is about 1305.2706629230.
The spelling of 2223830749 in words is "two billion, two hundred twenty-three million, eight hundred thirty thousand, seven hundred forty-nine".
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