Base | Representation |
---|---|
bin | 100010110011… |
… | …0011011100100 |
3 | 1021022221220122 |
4 | 1011212123210 |
5 | 14132322343 |
6 | 1451021112 |
7 | 311040302 |
oct | 105463344 |
9 | 37287818 |
10 | 18245348 |
11 | a332000 |
12 | 613a798 |
13 | 3a1a884 |
14 | 25cd272 |
15 | 1906068 |
hex | 11666e4 |
18245348 has 48 divisors (see below), whose sum is σ = 36892800. Its totient is φ = 7879520.
The previous prime is 18245341. The next prime is 18245363. The reversal of 18245348 is 84354281.
It is a super-2 number, since 2×182453482 = 665785447282208, which contains 22 as substring.
It is a nialpdrome in base 11.
It is not an unprimeable number, because it can be changed into a prime (18245341) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122378 + ... + 122526.
It is an arithmetic number, because the mean of its divisors is an integer number (768600).
Almost surely, 218245348 is an apocalyptic number.
It is an amenable number.
18245348 is an abundant number, since it is smaller than the sum of its proper divisors (18647452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18245348 is a wasteful number, since it uses less digits than its factorization.
18245348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209 (or 185 counting only the distinct ones).
The product of its digits is 30720, while the sum is 35.
The square root of 18245348 is about 4271.4573625403. The cubic root of 18245348 is about 263.2594989639.
The spelling of 18245348 in words is "eighteen million, two hundred forty-five thousand, three hundred forty-eight".
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