Base | Representation |
---|---|
bin | 101110111000… |
… | …001110011101 |
3 | 212010100020101 |
4 | 232320032131 |
5 | 11121221200 |
6 | 1115221101 |
7 | 206311525 |
oct | 56701635 |
9 | 25110211 |
10 | 12288925 |
11 | 6a33940 |
12 | 4147791 |
13 | 271366c |
14 | 18bc685 |
15 | 112b26a |
hex | bb839d |
12288925 has 12 divisors (see below), whose sum is σ = 16623936. Its totient is φ = 8937200.
The previous prime is 12288919. The next prime is 12288937. The reversal of 12288925 is 52988221.
It is not a de Polignac number, because 12288925 - 23 = 12288917 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22069 + ... + 22618.
It is an arithmetic number, because the mean of its divisors is an integer number (1385328).
Almost surely, 212288925 is an apocalyptic number.
It is an amenable number.
12288925 is a deficient number, since it is larger than the sum of its proper divisors (4335011).
12288925 is a wasteful number, since it uses less digits than its factorization.
12288925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44708 (or 44703 counting only the distinct ones).
The product of its digits is 23040, while the sum is 37.
The square root of 12288925 is about 3505.5563039267. The cubic root of 12288925 is about 230.7657213854.
It can be divided in two parts, 1228 and 8925, that added together give a triangular number (10153 = T142).
The spelling of 12288925 in words is "twelve million, two hundred eighty-eight thousand, nine hundred twenty-five".
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