Base | Representation |
---|---|
bin | 100010100100… |
… | …1100100101010 |
3 | 1021002221202210 |
4 | 1011021210222 |
5 | 14120032041 |
6 | 1444305550 |
7 | 310035552 |
oct | 105114452 |
9 | 37087683 |
10 | 18127146 |
11 | a261214 |
12 | 60a22b6 |
13 | 39a8b2b |
14 | 259c162 |
15 | 18d1016 |
hex | 114992a |
18127146 has 16 divisors (see below), whose sum is σ = 37504800. Its totient is φ = 5833968.
The previous prime is 18127127. The next prime is 18127163. The reversal of 18127146 is 64172181.
It is a Curzon 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, 51916 + ... + 52263.
It is an arithmetic number, because the mean of its divisors is an integer number (2344050).
Almost surely, 218127146 is an apocalyptic number.
18127146 is an abundant number, since it is smaller than the sum of its proper divisors (19377654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18127146 is a wasteful number, since it uses less digits than its factorization.
18127146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104213.
The product of its digits is 2688, while the sum is 30.
The square root of 18127146 is about 4257.5986189400. The cubic root of 18127146 is about 262.6897602956.
The spelling of 18127146 in words is "eighteen million, one hundred twenty-seven thousand, one hundred forty-six".
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