Base | Representation |
---|---|
bin | 1001100111101… |
… | …11011011000110 |
3 | 12121212020202022 |
4 | 10303313123012 |
5 | 131130031342 |
6 | 12001443142 |
7 | 1666661123 |
oct | 463673306 |
9 | 177766668 |
10 | 80705222 |
11 | 41613034 |
12 | 230404b2 |
13 | 13949390 |
14 | aa0b74a |
15 | 71429d2 |
hex | 4cf76c6 |
80705222 has 32 divisors (see below), whose sum is σ = 139037472. Its totient is φ = 34804224.
The previous prime is 80705221. The next prime is 80705227. The reversal of 80705222 is 22250708.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a junction number, because it is equal to n+sod(n) for n = 80705191 and 80705200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80705221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68813 + ... + 69975.
It is an arithmetic number, because the mean of its divisors is an integer number (4344921).
Almost surely, 280705222 is an apocalyptic number.
80705222 is a deficient number, since it is larger than the sum of its proper divisors (58332250).
80705222 is a wasteful number, since it uses less digits than its factorization.
80705222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1352.
The product of its (nonzero) digits is 2240, while the sum is 26.
The square root of 80705222 is about 8983.6085177394. The cubic root of 80705222 is about 432.1493646462.
The spelling of 80705222 in words is "eighty million, seven hundred five thousand, two hundred twenty-two".
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