Base | Representation |
---|---|
bin | 100010101011… |
… | …0111110010000 |
3 | 1021012202001121 |
4 | 1011112332100 |
5 | 14123311112 |
6 | 1445412024 |
7 | 310354561 |
oct | 105267620 |
9 | 37182047 |
10 | 18182032 |
11 | a299480 |
12 | 610a014 |
13 | 39c7acb |
14 | 25b4168 |
15 | 18e2407 |
hex | 1156f90 |
18182032 has 20 divisors (see below), whose sum is σ = 38430576. Its totient is φ = 8264480.
The previous prime is 18182011. The next prime is 18182041. The reversal of 18182032 is 23028181.
It is a junction number, because it is equal to n+sod(n) for n = 18181988 and 18182006.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51478 + ... + 51829.
Almost surely, 218182032 is an apocalyptic number.
It is an amenable number.
18182032 is an abundant number, since it is smaller than the sum of its proper divisors (20248544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18182032 is a wasteful number, since it uses less digits than its factorization.
18182032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103326 (or 103320 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 18182032 is about 4264.0393994427. The cubic root of 18182032 is about 262.9546202070.
The spelling of 18182032 in words is "eighteen million, one hundred eighty-two thousand, thirty-two".
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