Base | Representation |
---|---|
bin | 100010110001… |
… | …0110000000010 |
3 | 1021022012020100 |
4 | 1011202300002 |
5 | 14131332044 |
6 | 1450423230 |
7 | 310645326 |
oct | 105426002 |
9 | 37265210 |
10 | 18230274 |
11 | a321747 |
12 | 6131b16 |
13 | 3a13a5a |
14 | 25c7986 |
15 | 1901869 |
hex | 1162c02 |
18230274 has 24 divisors (see below), whose sum is σ = 39639600. Its totient is φ = 6055128.
The previous prime is 18230269. The next prime is 18230287. The reversal of 18230274 is 47203281.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3877 + ... + 7175.
It is an arithmetic number, because the mean of its divisors is an integer number (1651650).
Almost surely, 218230274 is an apocalyptic number.
18230274 is an abundant number, since it is smaller than the sum of its proper divisors (21409326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18230274 is a wasteful number, since it uses less digits than its factorization.
18230274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3614 (or 3611 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 18230274 is about 4269.6924947823. The cubic root of 18230274 is about 263.1869787968.
The spelling of 18230274 in words is "eighteen million, two hundred thirty thousand, two hundred seventy-four".
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