Base | Representation |
---|---|
bin | 100011001111… |
… | …0010000011011 |
3 | 1021202120120122 |
4 | 1012132100123 |
5 | 14212132021 |
6 | 1455543455 |
7 | 313012043 |
oct | 106362033 |
9 | 37676518 |
10 | 18474011 |
11 | a478886 |
12 | 622ab8b |
13 | 3a9a98a |
14 | 264c723 |
15 | 194dbab |
hex | 119e41b |
18474011 has 6 divisors (see below), whose sum is σ = 18669036. Its totient is φ = 18281000.
The previous prime is 18474007. The next prime is 18474017. The reversal of 18474011 is 11047481.
It is not a de Polignac number, because 18474011 - 22 = 18474007 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18474017) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9296 + ... + 11106.
It is an arithmetic number, because the mean of its divisors is an integer number (3111506).
Almost surely, 218474011 is an apocalyptic number.
18474011 is a deficient number, since it is larger than the sum of its proper divisors (195025).
18474011 is an equidigital number, since it uses as much as digits as its factorization.
18474011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2013 (or 1912 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 18474011 is about 4298.1404118525. The cubic root of 18474011 is about 264.3547181187.
The spelling of 18474011 in words is "eighteen million, four hundred seventy-four thousand, eleven".
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