Base | Representation |
---|---|
bin | 111101000110100101010 |
3 | 10202201112020 |
4 | 13220310222 |
5 | 1003032333 |
6 | 110525310 |
7 | 23006241 |
oct | 7506452 |
9 | 3681466 |
10 | 2002218 |
11 | 1148329 |
12 | 806836 |
13 | 55145a |
14 | 3a1958 |
15 | 2983b3 |
hex | 1e8d2a |
2002218 has 32 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 624960.
The previous prime is 2002211. The next prime is 2002223. The reversal of 2002218 is 8122002.
It is a junction number, because it is equal to n+sod(n) for n = 2002197 and 2002206.
It is not an unprimeable number, because it can be changed into a prime (2002211) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 6283 + ... + 6593.
It is an arithmetic number, because the mean of its divisors is an integer number (133380).
22002218 is an apocalyptic number.
2002218 is an abundant number, since it is smaller than the sum of its proper divisors (2265942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2002218 is a wasteful number, since it uses less digits than its factorization.
2002218 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 2002218 is about 1414.9975264996. The cubic root of 2002218 is about 126.0386628643.
The spelling of 2002218 in words is "two million, two thousand, two hundred eighteen".
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