Base | Representation |
---|---|
bin | 111101011001110111001 |
3 | 10210020001211 |
4 | 13223032321 |
5 | 1003341324 |
6 | 111043121 |
7 | 23050102 |
oct | 7531671 |
9 | 3706054 |
10 | 2012089 |
11 | 1154792 |
12 | 8104a1 |
13 | 555ab1 |
14 | 3a53a9 |
15 | 29b294 |
hex | 1eb3b9 |
2012089 has 4 divisors (see below), whose sum is σ = 2022400. Its totient is φ = 2001780.
The previous prime is 2012083. The next prime is 2012093. The reversal of 2012089 is 9802102.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9802102 = 2 ⋅4901051.
It is a cyclic number.
It is not a de Polignac number, because 2012089 - 25 = 2012057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2012083) 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, 4857 + ... + 5254.
It is an arithmetic number, because the mean of its divisors is an integer number (505600).
22012089 is an apocalyptic number.
It is an amenable number.
2012089 is a deficient number, since it is larger than the sum of its proper divisors (10311).
2012089 is a wasteful number, since it uses less digits than its factorization.
2012089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10310.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 2012089 is about 1418.4812300485. The cubic root of 2012089 is about 126.2454483213.
The spelling of 2012089 in words is "two million, twelve thousand, eighty-nine".
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