Base | Representation |
---|---|
bin | 100011001010… |
… | …1000000011100 |
3 | 1021200122121102 |
4 | 1012111000130 |
5 | 14204423444 |
6 | 1455052232 |
7 | 312463430 |
oct | 106250034 |
9 | 37618542 |
10 | 18436124 |
11 | a452373 |
12 | 6211078 |
13 | 3a86665 |
14 | 263c9c0 |
15 | 194284e |
hex | 119501c |
18436124 has 12 divisors (see below), whose sum is σ = 36872304. Its totient is φ = 7901184.
The previous prime is 18436123. The next prime is 18436153. The reversal of 18436124 is 42163481.
18436124 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18436123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329189 + ... + 329244.
It is an arithmetic number, because the mean of its divisors is an integer number (3072692).
Almost surely, 218436124 is an apocalyptic number.
18436124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
18436124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18436124 is a wasteful number, since it uses less digits than its factorization.
18436124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 658444 (or 658442 counting only the distinct ones).
The product of its digits is 4608, while the sum is 29.
The square root of 18436124 is about 4293.7307787052. The cubic root of 18436124 is about 264.1738791774.
The spelling of 18436124 in words is "eighteen million, four hundred thirty-six thousand, one hundred twenty-four".
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