Base | Representation |
---|---|
bin | 111110010100010100010 |
3 | 10211202010022 |
4 | 13302202202 |
5 | 1010321033 |
6 | 111433442 |
7 | 23233256 |
oct | 7624242 |
9 | 3752108 |
10 | 2042018 |
11 | 1175220 |
12 | 825882 |
13 | 5665c4 |
14 | 3b2266 |
15 | 2a5098 |
hex | 1f28a2 |
2042018 has 16 divisors (see below), whose sum is σ = 3378240. Its totient is φ = 918000.
The previous prime is 2042017. The next prime is 2042021. The reversal of 2042018 is 8102402.
2042018 = 4072 + 4082 + ... + 4182.
It is an Ulam number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2041987 and 2042005.
It is not an unprimeable number, because it can be changed into a prime (2042017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763 + ... + 2681.
It is an arithmetic number, because the mean of its divisors is an integer number (211140).
22042018 is an apocalyptic number.
2042018 is a deficient number, since it is larger than the sum of its proper divisors (1336222).
2042018 is a wasteful number, since it uses less digits than its factorization.
2042018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1033.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 2042018 is about 1428.9919523916. The cubic root of 2042018 is about 126.8683199181.
It can be divided in two parts, 204 and 2018, that added together give a palindrome (2222).
The spelling of 2042018 in words is "two million, forty-two thousand, eighteen".
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