Base | Representation |
---|---|
bin | 101111011010… |
… | …110001101010 |
3 | 212101112100202 |
4 | 233122301222 |
5 | 11140233232 |
6 | 1122232202 |
7 | 210441233 |
oct | 57326152 |
9 | 25345322 |
10 | 12430442 |
11 | 70201a2 |
12 | 41b5662 |
13 | 2762bbb |
14 | 191808a |
15 | 1158162 |
hex | bdac6a |
12430442 has 24 divisors (see below), whose sum is σ = 20173440. Its totient is φ = 5738040.
The previous prime is 12430433. The next prime is 12430447. The reversal of 12430442 is 24403421.
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 11 ways as a sum of consecutive naturals, for example, 32609 + ... + 32987.
It is an arithmetic number, because the mean of its divisors is an integer number (840560).
Almost surely, 212430442 is an apocalyptic number.
12430442 is a deficient number, since it is larger than the sum of its proper divisors (7742998).
12430442 is a wasteful number, since it uses less digits than its factorization.
12430442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 458 (or 435 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 12430442 is about 3525.6831962047. The cubic root of 12430442 is about 231.6481612003.
Adding to 12430442 its reverse (24403421), we get a palindrome (36833863).
The spelling of 12430442 in words is "twelve million, four hundred thirty thousand, four hundred forty-two".
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