Base | Representation |
---|---|
bin | 1001100111101… |
… | …11011100101010 |
3 | 12121212020220000 |
4 | 10303313130222 |
5 | 131130032242 |
6 | 12001443430 |
7 | 1666661325 |
oct | 463673452 |
9 | 177766800 |
10 | 80705322 |
11 | 41613115 |
12 | 23040576 |
13 | 13949439 |
14 | aa0b7bc |
15 | 7142a4c |
hex | 4cf772a |
80705322 has 20 divisors (see below), whose sum is σ = 180840066. Its totient is φ = 26901720.
The previous prime is 80705311. The next prime is 80705323. The reversal of 80705322 is 22350708.
It can be written as a sum of positive squares in only one way, i.e., 44235801 + 36469521 = 6651^2 + 6039^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (80705323) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 248929 + ... + 249252.
Almost surely, 280705322 is an apocalyptic number.
80705322 is an abundant number, since it is smaller than the sum of its proper divisors (100134744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80705322 is a wasteful number, since it uses less digits than its factorization.
80705322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 498195 (or 498186 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 80705322 is about 8983.6140834299. The cubic root of 80705322 is about 432.1495431349.
The spelling of 80705322 in words is "eighty million, seven hundred five thousand, three hundred twenty-two".
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