Base | Representation |
---|---|
bin | 111101011001101100001 |
3 | 10210012221120 |
4 | 13223031201 |
5 | 1003341001 |
6 | 111042453 |
7 | 23046615 |
oct | 7531541 |
9 | 3705846 |
10 | 2012001 |
11 | 1154712 |
12 | 810429 |
13 | 555a44 |
14 | 3a5345 |
15 | 29b236 |
hex | 1eb361 |
2012001 has 8 divisors (see below), whose sum is σ = 2840544. Its totient is φ = 1262400.
The previous prime is 2011987. The next prime is 2012009. The reversal of 2012001 is 1002102.
2012001 = T478 + T479 + ... + T494.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2012001 - 210 = 2010977 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2012009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19675 + ... + 19776.
It is an arithmetic number, because the mean of its divisors is an integer number (355068).
22012001 is an apocalyptic number.
It is an amenable number.
2012001 is a deficient number, since it is larger than the sum of its proper divisors (828543).
2012001 is a wasteful number, since it uses less digits than its factorization.
2012001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39471.
The product of its (nonzero) digits is 4, while the sum is 6.
The square root of 2012001 is about 1418.4502106172. The cubic root of 2012001 is about 126.2436078194.
Adding to 2012001 its reverse (1002102), we get a palindrome (3014103).
It can be divided in two parts, 20 and 12001, that added together give a palindrome (12021).
The spelling of 2012001 in words is "two million, twelve thousand, one".
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