Base | Representation |
---|---|
bin | 101111011010… |
… | …110001101110 |
3 | 212101112100220 |
4 | 233122301232 |
5 | 11140233241 |
6 | 1122232210 |
7 | 210441240 |
oct | 57326156 |
9 | 25345326 |
10 | 12430446 |
11 | 70201a6 |
12 | 41b5666 |
13 | 2762bc2 |
14 | 1918090 |
15 | 1158166 |
hex | bdac6e |
12430446 has 64 divisors (see below), whose sum is σ = 30789120. Its totient is φ = 3265920.
The previous prime is 12430433. The next prime is 12430447. The reversal of 12430446 is 64403421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12430447) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29316 + ... + 29736.
It is an arithmetic number, because the mean of its divisors is an integer number (481080).
Almost surely, 212430446 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12430446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15394560).
12430446 is an abundant number, since it is smaller than the sum of its proper divisors (18358674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12430446 is a wasteful number, since it uses less digits than its factorization.
12430446 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 489.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 12430446 is about 3525.6837634706. The cubic root of 12430446 is about 231.6481860477.
Adding to 12430446 its reverse (64403421), we get a palindrome (76833867).
The spelling of 12430446 in words is "twelve million, four hundred thirty thousand, four hundred forty-six".
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