Base | Representation |
---|---|
bin | 100010110011… |
… | …1000111100110 |
3 | 1021100002210000 |
4 | 1011213013212 |
5 | 14132420131 |
6 | 1451042130 |
7 | 311051436 |
oct | 105470746 |
9 | 37302700 |
10 | 18248166 |
11 | a334132 |
12 | 6140346 |
13 | 3a1bc41 |
14 | 25d02c6 |
15 | 1906ce6 |
hex | 11671e6 |
18248166 has 20 divisors (see below), whose sum is σ = 40889772. Its totient is φ = 6082668.
The previous prime is 18248161. The next prime is 18248171. The reversal of 18248166 is 66184281.
It is an interprime number because it is at equal distance from previous prime (18248161) and next prime (18248171).
It is a self number, because there is not a number n which added to its sum of digits gives 18248166.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18248161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 56160 + ... + 56483.
Almost surely, 218248166 is an apocalyptic number.
18248166 is an abundant number, since it is smaller than the sum of its proper divisors (22641606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18248166 is a wasteful number, since it uses less digits than its factorization.
18248166 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112657 (or 112648 counting only the distinct ones).
The product of its digits is 18432, while the sum is 36.
The square root of 18248166 is about 4271.7872138017. The cubic root of 18248166 is about 263.2730517715.
The spelling of 18248166 in words is "eighteen million, two hundred forty-eight thousand, one hundred sixty-six".
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