Base | Representation |
---|---|
bin | 101101111100… |
… | …111001101000 |
3 | 211122222220111 |
4 | 231330321220 |
5 | 11040432203 |
6 | 1110104104 |
7 | 204250216 |
oct | 55747150 |
9 | 24588814 |
10 | 12045928 |
11 | 6888314 |
12 | 404b034 |
13 | 2659b8b |
14 | 1857cb6 |
15 | 10ce26d |
hex | b7ce68 |
12045928 has 32 divisors (see below), whose sum is σ = 24960960. Its totient is φ = 5420800.
The previous prime is 12045907. The next prime is 12045937. The reversal of 12045928 is 82954021.
It is a self number, because there is not a number n which added to its sum of digits gives 12045928.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203 + ... + 5053.
It is an arithmetic number, because the mean of its divisors is an integer number (780030).
Almost surely, 212045928 is an apocalyptic number.
It is an amenable number.
12045928 is an abundant number, since it is smaller than the sum of its proper divisors (12915032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12045928 is a wasteful number, since it uses less digits than its factorization.
12045928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3897 (or 3893 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 12045928 is about 3470.7244200599. The cubic root of 12045928 is about 229.2345568701.
Adding to 12045928 its reverse (82954021), we get a palindrome (94999949).
The spelling of 12045928 in words is "twelve million, forty-five thousand, nine hundred twenty-eight".
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