Base | Representation |
---|---|
bin | 100010100010… |
… | …0111100101010 |
3 | 1021001222210011 |
4 | 1011010330222 |
5 | 14113430302 |
6 | 1444042134 |
7 | 306626410 |
oct | 105047452 |
9 | 37058704 |
10 | 18108202 |
11 | a248a62 |
12 | 609334a |
13 | 39a0318 |
14 | 25952b0 |
15 | 18ca5d7 |
hex | 1144f2a |
18108202 has 16 divisors (see below), whose sum is σ = 31159872. Its totient is φ = 7731360.
The previous prime is 18108173. The next prime is 18108217. The reversal of 18108202 is 20280181.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1633 + ... + 6235.
It is an arithmetic number, because the mean of its divisors is an integer number (1947492).
Almost surely, 218108202 is an apocalyptic number.
18108202 is a deficient number, since it is larger than the sum of its proper divisors (13051670).
18108202 is a wasteful number, since it uses less digits than its factorization.
18108202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4893.
The product of its (nonzero) digits is 256, while the sum is 22.
The square root of 18108202 is about 4255.3733091234. The cubic root of 18108202 is about 262.5982193295.
Adding to 18108202 its reverse (20280181), we get a palindrome (38388383).
The spelling of 18108202 in words is "eighteen million, one hundred eight thousand, two hundred two".
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