Base | Representation |
---|---|
bin | 100010110110… |
… | …0000001011110 |
3 | 1021101010100000 |
4 | 1011230001132 |
5 | 14134041004 |
6 | 1451315130 |
7 | 311164134 |
oct | 105540136 |
9 | 37333300 |
10 | 18268254 |
11 | a348234 |
12 | 614baa6 |
13 | 3a28124 |
14 | 25d7754 |
15 | 190cc39 |
hex | 116c05e |
18268254 has 24 divisors (see below), whose sum is σ = 41048280. Its totient is φ = 6089256.
The previous prime is 18268241. The next prime is 18268259. The reversal of 18268254 is 45286281.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18268259) 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 11 ways as a sum of consecutive naturals, for example, 18309 + ... + 19280.
It is an arithmetic number, because the mean of its divisors is an integer number (1710345).
Almost surely, 218268254 is an apocalyptic number.
18268254 is an abundant number, since it is smaller than the sum of its proper divisors (22780026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18268254 is an equidigital number, since it uses as much as digits as its factorization.
18268254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37606 (or 37594 counting only the distinct ones).
The product of its digits is 30720, while the sum is 36.
The square root of 18268254 is about 4274.1378077924. The cubic root of 18268254 is about 263.3696220175.
The spelling of 18268254 in words is "eighteen million, two hundred sixty-eight thousand, two hundred fifty-four".
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