Base | Representation |
---|---|
bin | 111101101001010110010 |
3 | 10210121221111 |
4 | 13231022302 |
5 | 1004120033 |
6 | 111143534 |
7 | 23112160 |
oct | 7551262 |
9 | 3717844 |
10 | 2020018 |
11 | 115a740 |
12 | 814baa |
13 | 5595a0 |
14 | 3a8230 |
15 | 29d7cd |
hex | 1ed2b2 |
2020018 has 32 divisors (see below), whose sum is σ = 4072320. Its totient is φ = 725760.
The previous prime is 2020003. The next prime is 2020019. The reversal of 2020018 is 8100202.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498 + ... + 2506.
It is an arithmetic number, because the mean of its divisors is an integer number (127260).
22020018 is an apocalyptic number.
2020018 is an abundant number, since it is smaller than the sum of its proper divisors (2052302).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020018 is a wasteful number, since it uses less digits than its factorization.
2020018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1042.
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2020018 is about 1421.2733727190. The cubic root of 2020018 is about 126.4110619625.
The spelling of 2020018 in words is "two million, twenty thousand, eighteen".
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