Base | Representation |
---|---|
bin | 100010100101… |
… | …0010110110010 |
3 | 1021010010011121 |
4 | 1011022112302 |
5 | 14120132404 |
6 | 1444332454 |
7 | 310051114 |
oct | 105122662 |
9 | 37103147 |
10 | 18130354 |
11 | a263670 |
12 | 60a412a |
13 | 39aa428 |
14 | 259d3b4 |
15 | 18d1e54 |
hex | 114a5b2 |
18130354 has 16 divisors (see below), whose sum is σ = 30028320. Its totient is φ = 8140960.
The previous prime is 18130349. The next prime is 18130361. The reversal of 18130354 is 45303181.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 3139 + ... + 6790.
It is an arithmetic number, because the mean of its divisors is an integer number (1876770).
Almost surely, 218130354 is an apocalyptic number.
18130354 is a deficient number, since it is larger than the sum of its proper divisors (11897966).
18130354 is a wasteful number, since it uses less digits than its factorization.
18130354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10025.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 18130354 is about 4257.9753404641. The cubic root of 18130354 is about 262.7052556388.
The spelling of 18130354 in words is "eighteen million, one hundred thirty thousand, three hundred fifty-four".
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