Base | Representation |
---|---|
bin | 1000001111010110001100 |
3 | 11001201222110 |
4 | 20033112030 |
5 | 1023110022 |
6 | 114144020 |
7 | 24234261 |
oct | 10172614 |
9 | 4051873 |
10 | 2160012 |
11 | 1245938 |
12 | 882010 |
13 | 5a821a |
14 | 403268 |
15 | 2ca00c |
hex | 20f58c |
2160012 has 12 divisors (see below), whose sum is σ = 5040056. Its totient is φ = 720000.
The previous prime is 2160001. The next prime is 2160017. The reversal of 2160012 is 2100612.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 180001 = 2160012 / (2 + 1 + 6 + 0 + 0 + 1 + 2).
It is a self number, because there is not a number n which added to its sum of digits gives 2160012.
It is not an unprimeable number, because it can be changed into a prime (2160017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89989 + ... + 90012.
22160012 is an apocalyptic number.
It is an amenable number.
2160012 is an abundant number, since it is smaller than the sum of its proper divisors (2880044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2160012 is a wasteful number, since it uses less digits than its factorization.
2160012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180008 (or 180006 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 2160012 is about 1469.6979281471. The cubic root of 2160012 is about 129.2663207831.
Adding to 2160012 its reverse (2100612), we get a palindrome (4260624).
It can be divided in two parts, 21600 and 12, that added together give a palindrome (21612).
The spelling of 2160012 in words is "two million, one hundred sixty thousand, twelve".
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