Base | Representation |
---|---|
bin | 111101101100000100100 |
3 | 10210200212010 |
4 | 13231200210 |
5 | 1004141122 |
6 | 111154220 |
7 | 23116221 |
oct | 7554044 |
9 | 3720763 |
10 | 2021412 |
11 | 1160798 |
12 | 815970 |
13 | 55a103 |
14 | 3a8948 |
15 | 29de0c |
hex | 1ed824 |
2021412 has 12 divisors (see below), whose sum is σ = 4716656. Its totient is φ = 673800.
The previous prime is 2021381. The next prime is 2021431. The reversal of 2021412 is 2141202.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×20214122 = 8172212947488, which contains 22 as substring.
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: 168451 = 2021412 / (2 + 0 + 2 + 1 + 4 + 1 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84214 + ... + 84237.
22021412 is an apocalyptic number.
It is an amenable number.
2021412 is an abundant number, since it is smaller than the sum of its proper divisors (2695244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021412 is a wasteful number, since it uses less digits than its factorization.
2021412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168458 (or 168456 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 2021412 is about 1421.7636934456. The cubic root of 2021412 is about 126.4401337332.
Adding to 2021412 its reverse (2141202), we get a palindrome (4162614).
The spelling of 2021412 in words is "two million, twenty-one thousand, four hundred twelve".
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