Base | Representation |
---|---|
bin | 100010100100… |
… | …1100110101100 |
3 | 1021002221221121 |
4 | 1011021212230 |
5 | 14120033101 |
6 | 1444310324 |
7 | 310036126 |
oct | 105114654 |
9 | 37087847 |
10 | 18127276 |
11 | a261322 |
12 | 60a23a4 |
13 | 39a8bcb |
14 | 259c216 |
15 | 18d10a1 |
hex | 11499ac |
18127276 has 12 divisors (see below), whose sum is σ = 31792320. Its totient is φ = 9043760.
The previous prime is 18127271. The next prime is 18127301. The reversal of 18127276 is 67272181.
It is a happy number.
It is an alternating number because its digits alternate between odd and even.
It is a plaindrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (18127271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2815 + ... + 6646.
It is an arithmetic number, because the mean of its divisors is an integer number (2649360).
Almost surely, 218127276 is an apocalyptic number.
It is an amenable number.
18127276 is a deficient number, since it is larger than the sum of its proper divisors (13665044).
18127276 is a wasteful number, since it uses less digits than its factorization.
18127276 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9944 (or 9942 counting only the distinct ones).
The product of its digits is 9408, while the sum is 34.
The square root of 18127276 is about 4257.6138857346. The cubic root of 18127276 is about 262.6903882596.
The spelling of 18127276 in words is "eighteen million, one hundred twenty-seven thousand, two hundred seventy-six".
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