Base | Representation |
---|---|
bin | 1000011100000010101011 |
3 | 11011101022100 |
4 | 20130002223 |
5 | 1031241021 |
6 | 115224443 |
7 | 24542004 |
oct | 10340253 |
9 | 4141270 |
10 | 2212011 |
11 | 1280a0a |
12 | 8a8123 |
13 | 5c5aa9 |
14 | 4181ab |
15 | 2da626 |
hex | 21c0ab |
2212011 has 12 divisors (see below), whose sum is σ = 3226392. Its totient is φ = 1460256.
The previous prime is 2212009. The next prime is 2212039. The reversal of 2212011 is 1102122.
It is not a de Polignac number, because 2212011 - 21 = 2212009 is a prime.
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 = 2211984 and 2212002.
It is not an unprimeable number, because it can be changed into a prime (2212051) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186 + ... + 2111.
It is an arithmetic number, because the mean of its divisors is an integer number (268866).
22212011 is an apocalyptic number.
2212011 is a deficient number, since it is larger than the sum of its proper divisors (1014381).
2212011 is a wasteful number, since it uses less digits than its factorization.
2212011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2410 (or 2407 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 2212011 is about 1487.2830934291. The cubic root of 2212011 is about 130.2954031881.
Adding to 2212011 its reverse (1102122), we get a palindrome (3314133).
The spelling of 2212011 in words is "two million, two hundred twelve thousand, eleven".
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