Base | Representation |
---|---|
bin | 101110001111… |
… | …100010000011 |
3 | 211210212120222 |
4 | 232033202003 |
5 | 11100402433 |
6 | 1111453255 |
7 | 205015550 |
oct | 56174203 |
9 | 24725528 |
10 | 12122243 |
11 | 692a691 |
12 | 408722b |
13 | 2685833 |
14 | 1877a27 |
15 | 10e6b98 |
hex | b8f883 |
12122243 has 8 divisors (see below), whose sum is σ = 14061312. Its totient is φ = 10235016.
The previous prime is 12122239. The next prime is 12122249. The reversal of 12122243 is 34222121.
12122243 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
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 12122243 - 22 = 12122239 is a prime.
It is a Duffinian number.
12122243 is strictly pandigital in base 8.
It is not an unprimeable number, because it can be changed into a prime (12122249) 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, 12455 + ... + 13392.
It is an arithmetic number, because the mean of its divisors is an integer number (1757664).
Almost surely, 212122243 is an apocalyptic number.
12122243 is a deficient number, since it is larger than the sum of its proper divisors (1939069).
12122243 is an equidigital number, since it uses as much as digits as its factorization.
12122243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25921.
The product of its digits is 192, while the sum is 17.
The square root of 12122243 is about 3481.7011646607. The cubic root of 12122243 is about 229.7176307951.
Adding to 12122243 its reverse (34222121), we get a palindrome (46344364).
The spelling of 12122243 in words is "twelve million, one hundred twenty-two thousand, two hundred forty-three".
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