Base | Representation |
---|---|
bin | 101110000110… |
… | …111000000100 |
3 | 211202001221211 |
4 | 232012320010 |
5 | 11043234123 |
6 | 1111021204 |
7 | 204510310 |
oct | 56067004 |
9 | 24661854 |
10 | 12086788 |
11 | 6905a8a |
12 | 406a804 |
13 | 267265c |
14 | 1868b40 |
15 | 10db40d |
hex | b86e04 |
12086788 has 12 divisors (see below), whose sum is σ = 24173632. Its totient is φ = 5180040.
The previous prime is 12086783. The next prime is 12086797. The reversal of 12086788 is 88768021.
12086788 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 12086788.
It is not an unprimeable number, because it can be changed into a prime (12086783) 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, 215808 + ... + 215863.
Almost surely, 212086788 is an apocalyptic number.
It is an amenable number.
12086788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12086788 is a wasteful number, since it uses less digits than its factorization.
12086788 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431682 (or 431680 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 40.
The square root of 12086788 is about 3476.6058160223. The cubic root of 12086788 is about 229.4934535814.
The spelling of 12086788 in words is "twelve million, eighty-six thousand, seven hundred eighty-eight".
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