Base | Representation |
---|---|
bin | 100010100001… |
… | …1111101100010 |
3 | 1021001210020112 |
4 | 1011003331202 |
5 | 14113313122 |
6 | 1444011322 |
7 | 306611546 |
oct | 105037542 |
9 | 37053215 |
10 | 18104162 |
11 | a245a1a |
12 | 6090b42 |
13 | 399b52b |
14 | 2593a26 |
15 | 18c92e2 |
hex | 1143f62 |
18104162 has 4 divisors (see below), whose sum is σ = 27156246. Its totient is φ = 9052080.
The previous prime is 18104159. The next prime is 18104173. The reversal of 18104162 is 26140181.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26140181 = 19 ⋅1375799.
It can be written as a sum of positive squares in only one way, i.e., 15673681 + 2430481 = 3959^2 + 1559^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4526039 + ... + 4526042.
Almost surely, 218104162 is an apocalyptic number.
18104162 is a deficient number, since it is larger than the sum of its proper divisors (9052084).
18104162 is an equidigital number, since it uses as much as digits as its factorization.
18104162 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9052083.
The product of its (nonzero) digits is 384, while the sum is 23.
The square root of 18104162 is about 4254.8985886858. The cubic root of 18104162 is about 262.5786890320.
The spelling of 18104162 in words is "eighteen million, one hundred four thousand, one hundred sixty-two".
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