Base | Representation |
---|---|
bin | 101110010101… |
… | …010010101001 |
3 | 211212001221200 |
4 | 232111102221 |
5 | 11102131313 |
6 | 1112154413 |
7 | 205144410 |
oct | 56252251 |
9 | 24761850 |
10 | 12145833 |
11 | 6946387 |
12 | 4098a09 |
13 | 26934ab |
14 | 1882477 |
15 | 10edb73 |
hex | b954a9 |
12145833 has 12 divisors (see below), whose sum is σ = 20050368. Its totient is φ = 6940440.
The previous prime is 12145829. The next prime is 12145843. The reversal of 12145833 is 33854121.
It is a happy number.
12145833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12145833 - 22 = 12145829 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12145797 and 12145806.
It is not an unprimeable number, because it can be changed into a prime (12145843) 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, 96333 + ... + 96458.
It is an arithmetic number, because the mean of its divisors is an integer number (1670864).
Almost surely, 212145833 is an apocalyptic number.
It is an amenable number.
12145833 is a deficient number, since it is larger than the sum of its proper divisors (7904535).
12145833 is a wasteful number, since it uses less digits than its factorization.
12145833 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 192804 (or 192801 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
The square root of 12145833 is about 3485.0872298983. The cubic root of 12145833 is about 229.8665451376.
Adding to 12145833 its reverse (33854121), we get a palindrome (45999954).
It can be divided in two parts, 121 and 45833, that added together give a palindrome (45954).
The spelling of 12145833 in words is "twelve million, one hundred forty-five thousand, eight hundred thirty-three".
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