Base | Representation |
---|---|
bin | 101111011010… |
… | …110000001001 |
3 | 212101112020011 |
4 | 233122300021 |
5 | 11140232340 |
6 | 1122231521 |
7 | 210441034 |
oct | 57326011 |
9 | 25345204 |
10 | 12430345 |
11 | 7020114 |
12 | 41b55a1 |
13 | 2762b45 |
14 | 191801b |
15 | 11580ea |
hex | bdac09 |
12430345 has 4 divisors (see below), whose sum is σ = 14916420. Its totient is φ = 9944272.
The previous prime is 12430343. The next prime is 12430361. The reversal of 12430345 is 54303421.
12430345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8462281 + 3968064 = 2909^2 + 1992^2 .
It is a cyclic number.
It is not a de Polignac number, because 12430345 - 21 = 12430343 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12430343) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243030 + ... + 1243039.
It is an arithmetic number, because the mean of its divisors is an integer number (3729105).
Almost surely, 212430345 is an apocalyptic number.
It is an amenable number.
12430345 is a deficient number, since it is larger than the sum of its proper divisors (2486075).
12430345 is an equidigital number, since it uses as much as digits as its factorization.
12430345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2486074.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 12430345 is about 3525.6694399787. The cubic root of 12430345 is about 231.6475586492.
Adding to 12430345 its reverse (54303421), we get a palindrome (66733766).
The spelling of 12430345 in words is "twelve million, four hundred thirty thousand, three hundred forty-five".
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