Base | Representation |
---|---|
bin | 100010110001… |
… | …0011001110000 |
3 | 1021022010021112 |
4 | 1011202121300 |
5 | 14131310343 |
6 | 1450412452 |
7 | 310641221 |
oct | 105423160 |
9 | 37263245 |
10 | 18228848 |
11 | a320670 |
12 | 6131128 |
13 | 3a13201 |
14 | 25c7248 |
15 | 1901218 |
hex | 1162670 |
18228848 has 20 divisors (see below), whose sum is σ = 38529528. Its totient is φ = 8285760.
The previous prime is 18228829. The next prime is 18228863. The reversal of 18228848 is 84882281.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51611 + ... + 51962.
Almost surely, 218228848 is an apocalyptic number.
It is an amenable number.
18228848 is an abundant number, since it is smaller than the sum of its proper divisors (20300680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18228848 is a wasteful number, since it uses less digits than its factorization.
18228848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103592 (or 103586 counting only the distinct ones).
The product of its digits is 65536, while the sum is 41.
The square root of 18228848 is about 4269.5255005679. The cubic root of 18228848 is about 263.1801163214.
The spelling of 18228848 in words is "eighteen million, two hundred twenty-eight thousand, eight hundred forty-eight".
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