Base | Representation |
---|---|
bin | 101001001110… |
… | …001001111110 |
3 | 202022222220000 |
4 | 221032021332 |
5 | 10231242021 |
6 | 1023335130 |
7 | 160564020 |
oct | 51161176 |
9 | 22288800 |
10 | 10805886 |
11 | 6110693 |
12 | 37514a6 |
13 | 2314620 |
14 | 1614010 |
15 | e36b26 |
hex | a4e27e |
10805886 has 80 divisors (see below), whose sum is σ = 29841504. Its totient is φ = 2846016.
The previous prime is 10805849. The next prime is 10805891. The reversal of 10805886 is 68850801.
It is a zygodrome in base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 10805886.
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 39 ways as a sum of consecutive naturals, for example, 14376 + ... + 15108.
Almost surely, 210805886 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10805886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14920752).
10805886 is an abundant number, since it is smaller than the sum of its proper divisors (19035618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10805886 is a wasteful number, since it uses less digits than its factorization.
10805886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 767 (or 758 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 36.
The square root of 10805886 is about 3287.2307494303. The cubic root of 10805886 is about 221.0820385690.
The spelling of 10805886 in words is "ten million, eight hundred five thousand, eight hundred eighty-six".
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