Base | Representation |
---|---|
bin | 111101011100000011010 |
3 | 10210021121100 |
4 | 13223200122 |
5 | 1003410320 |
6 | 111052230 |
7 | 23053263 |
oct | 7534032 |
9 | 3707540 |
10 | 2013210 |
11 | 1155611 |
12 | 811076 |
13 | 556464 |
14 | 3a596a |
15 | 29b790 |
hex | 1eb81a |
2013210 has 24 divisors (see below), whose sum is σ = 5234580. Its totient is φ = 536832.
The previous prime is 2013197. The next prime is 2013227. The reversal of 2013210 is 123102.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1996569 + 16641 = 1413^2 + 129^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2013192 and 2013201.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 11095 + ... + 11274.
22013210 is an apocalyptic number.
2013210 is an abundant number, since it is smaller than the sum of its proper divisors (3221370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2013210 is a wasteful number, since it uses less digits than its factorization.
2013210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22382 (or 22379 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 2013210 is about 1418.8763159627. The cubic root of 2013210 is about 126.2688891124.
Adding to 2013210 its reverse (123102), we get a palindrome (2136312).
The spelling of 2013210 in words is "two million, thirteen thousand, two hundred ten".
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