Base | Representation |
---|---|
bin | 100010100100… |
… | …0010101101110 |
3 | 1021002200211200 |
4 | 1011020111232 |
5 | 14114401334 |
6 | 1444230330 |
7 | 310015044 |
oct | 105102556 |
9 | 37080750 |
10 | 18122094 |
11 | a258441 |
12 | 609b3a6 |
13 | 39a6743 |
14 | 259a394 |
15 | 18ce799 |
hex | 114856e |
18122094 has 12 divisors (see below), whose sum is σ = 39264576. Its totient is φ = 6040692.
The previous prime is 18122087. The next prime is 18122099. The reversal of 18122094 is 49022181.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18122099) 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 5 ways as a sum of consecutive naturals, for example, 503374 + ... + 503409.
It is an arithmetic number, because the mean of its divisors is an integer number (3272048).
Almost surely, 218122094 is an apocalyptic number.
18122094 is an abundant number, since it is smaller than the sum of its proper divisors (21142482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18122094 is a wasteful number, since it uses less digits than its factorization.
18122094 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1006791 (or 1006788 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 18122094 is about 4257.0052854090. The cubic root of 18122094 is about 262.6653543213.
The spelling of 18122094 in words is "eighteen million, one hundred twenty-two thousand, ninety-four".
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