Base | Representation |
---|---|
bin | 101110101010… |
… | …001000111110 |
3 | 212000102002112 |
4 | 232222020332 |
5 | 11112344410 |
6 | 1114054022 |
7 | 205651364 |
oct | 56521076 |
9 | 25012075 |
10 | 12231230 |
11 | 69a4560 |
12 | 411a312 |
13 | 26c331b |
14 | 18a5634 |
15 | 1119105 |
hex | baa23e |
12231230 has 32 divisors (see below), whose sum is σ = 24167808. Its totient is φ = 4420000.
The previous prime is 12231229. The next prime is 12231253. The reversal of 12231230 is 3213221.
It is a happy number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 27389 + ... + 27831.
It is an arithmetic number, because the mean of its divisors is an integer number (755244).
Almost surely, 212231230 is an apocalyptic number.
12231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12231230 is a deficient number, since it is larger than the sum of its proper divisors (11936578).
12231230 is a wasteful number, since it uses less digits than its factorization.
12231230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 712.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 12231230 is about 3497.3175434896. The cubic root of 12231230 is about 230.4040157921.
Adding to 12231230 its reverse (3213221), we get a palindrome (15444451).
Subtracting from 12231230 its reverse (3213221), we obtain a square (9018009 = 30032).
The spelling of 12231230 in words is "twelve million, two hundred thirty-one thousand, two hundred thirty".
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