Base | Representation |
---|---|
bin | 1000010101101000… |
… | …1011001011001011 |
3 | 12202222121221001110 |
4 | 2011122023023023 |
5 | 14040441344433 |
6 | 1010033021403 |
7 | 106315436343 |
oct | 20532131313 |
9 | 5688557043 |
10 | 2238231243 |
11 | a49472296 |
12 | 5256b4863 |
13 | 2989290b1 |
14 | 17338dd23 |
15 | d176e963 |
hex | 8568b2cb |
2238231243 has 8 divisors (see below), whose sum is σ = 3012199488. Its totient is φ = 1478208584.
The previous prime is 2238231211. The next prime is 2238231277. The reversal of 2238231243 is 3421328322.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2238231243 - 25 = 2238231211 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2238231243.
It is not an unprimeable number, because it can be changed into a prime (2238231283) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3486021 + ... + 3486662.
It is an arithmetic number, because the mean of its divisors is an integer number (376524936).
Almost surely, 22238231243 is an apocalyptic number.
2238231243 is a deficient number, since it is larger than the sum of its proper divisors (773968245).
2238231243 is a wasteful number, since it uses less digits than its factorization.
2238231243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6972793.
The product of its digits is 13824, while the sum is 30.
The square root of 2238231243 is about 47309.9486683298. The cubic root of 2238231243 is about 1308.0820452094.
Adding to 2238231243 its reverse (3421328322), we get a palindrome (5659559565).
The spelling of 2238231243 in words is "two billion, two hundred thirty-eight million, two hundred thirty-one thousand, two hundred forty-three".
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