Base | Representation |
---|---|
bin | 111101001111111101010 |
3 | 10202222010000 |
4 | 13221333222 |
5 | 1003211033 |
6 | 111003430 |
7 | 23026236 |
oct | 7517752 |
9 | 3688100 |
10 | 2007018 |
11 | 11509a2 |
12 | 809576 |
13 | 5536b0 |
14 | 3a35c6 |
15 | 299a13 |
hex | 1e9fea |
2007018 has 40 divisors (see below), whose sum is σ = 4848228. Its totient is φ = 616896.
The previous prime is 2007013. The next prime is 2007029. The reversal of 2007018 is 8107002.
It can be written as a sum of positive squares in 2 ways, for example, as 1896129 + 110889 = 1377^2 + 333^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2007011) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1630 + ... + 2582.
22007018 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2007018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2424114).
2007018 is an abundant number, since it is smaller than the sum of its proper divisors (2841210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2007018 is a wasteful number, since it uses less digits than its factorization.
2007018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 980 (or 971 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 18.
The square root of 2007018 is about 1416.6926272131. The cubic root of 2007018 is about 126.1393017179.
The spelling of 2007018 in words is "two million, seven thousand, eighteen".
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