Base | Representation |
---|---|
bin | 1001100010110… |
… | …11010000000000 |
3 | 12120122202021020 |
4 | 10301123100000 |
5 | 130444044121 |
6 | 11540025440 |
7 | 1661355135 |
oct | 461332000 |
9 | 176582236 |
10 | 80065536 |
11 | 41216471 |
12 | 22992280 |
13 | 13784175 |
14 | a8c258c |
15 | 70681c6 |
hex | 4c5b400 |
80065536 has 88 divisors (see below), whose sum is σ = 217145760. Its totient is φ = 26222592.
The previous prime is 80065519. The next prime is 80065541. The reversal of 80065536 is 63556008.
It is a junction number, because it is equal to n+sod(n) for n = 80065497 and 80065506.
It is a congruent number.
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, 205630 + ... + 206018.
Almost surely, 280065536 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80065536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108572880).
80065536 is an abundant number, since it is smaller than the sum of its proper divisors (137080224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80065536 is a wasteful number, since it uses less digits than its factorization.
80065536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479 (or 461 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 33.
The square root of 80065536 is about 8947.9347337808. The cubic root of 80065536 is about 431.0045667516.
It can be divided in two parts, 80065 and 536, that added together give a triangular number (80601 = T401).
The spelling of 80065536 in words is "eighty million, sixty-five thousand, five hundred thirty-six".
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