Base | Representation |
---|---|
bin | 101110001010… |
… | …110011111000 |
3 | 211202220001201 |
4 | 232022303320 |
5 | 11044243104 |
6 | 1111223544 |
7 | 204605302 |
oct | 56126370 |
9 | 24686051 |
10 | 12102904 |
11 | 6917100 |
12 | 4077bb4 |
13 | 2679aa8 |
14 | 1870972 |
15 | 10e10a4 |
hex | b8acf8 |
12102904 has 24 divisors (see below), whose sum is σ = 24945480. Its totient is φ = 5500880.
The previous prime is 12102887. The next prime is 12102917. The reversal of 12102904 is 40920121.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5284 + ... + 7219.
It is an arithmetic number, because the mean of its divisors is an integer number (1039395).
Almost surely, 212102904 is an apocalyptic number.
It is an amenable number.
12102904 is an abundant number, since it is smaller than the sum of its proper divisors (12842576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12102904 is a wasteful number, since it uses less digits than its factorization.
12102904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12531 (or 12516 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 12102904 is about 3478.9228217941. The cubic root of 12102904 is about 229.5954071609.
It can be divided in two parts, 1210 and 2904, that added together give a palindrome (4114).
The spelling of 12102904 in words is "twelve million, one hundred two thousand, nine hundred four".
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