Base | Representation |
---|---|
bin | 100010011011… |
… | …1101110100010 |
3 | 1020222020111112 |
4 | 1010313232202 |
5 | 14110212200 |
6 | 1442543322 |
7 | 306312500 |
oct | 104675642 |
9 | 36866445 |
10 | 18054050 |
11 | a211303 |
12 | 6067b42 |
13 | 3981791 |
14 | 257d670 |
15 | 18b9535 |
hex | 1137ba2 |
18054050 has 36 divisors (see below), whose sum is σ = 39068370. Its totient is φ = 6189120.
The previous prime is 18054031. The next prime is 18054067. The reversal of 18054050 is 5045081.
It can be written as a sum of positive squares in 3 ways, for example, as 16654561 + 1399489 = 4081^2 + 1183^2 .
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 17 ways as a sum of consecutive naturals, for example, 1235 + ... + 6134.
Almost surely, 218054050 is an apocalyptic number.
18054050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18054050 is an abundant number, since it is smaller than the sum of its proper divisors (21014320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18054050 is a wasteful number, since it uses less digits than its factorization.
18054050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7395 (or 7383 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 23.
The square root of 18054050 is about 4249.0057660587. The cubic root of 18054050 is about 262.3361940990.
The spelling of 18054050 in words is "eighteen million, fifty-four thousand, fifty".
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