Base | Representation |
---|---|
bin | 100110001110… |
… | …0110111111011 |
3 | 1101201012101002 |
4 | 1030130313323 |
5 | 20112304321 |
6 | 1553315215 |
7 | 332230121 |
oct | 114346773 |
9 | 41635332 |
10 | 20041211 |
11 | 10349293 |
12 | 6865b0b |
13 | 41c9108 |
14 | 2939911 |
15 | 1b5d20b |
hex | 131cdfb |
20041211 has 8 divisors (see below), whose sum is σ = 20993280. Its totient is φ = 19095912.
The previous prime is 20041199. The next prime is 20041213. The reversal of 20041211 is 11214002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20041211 - 210 = 20040187 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20041192 and 20041201.
It is not an unprimeable number, because it can be changed into a prime (20041213) 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, 4970 + ... + 8048.
It is an arithmetic number, because the mean of its divisors is an integer number (2624160).
Almost surely, 220041211 is an apocalyptic number.
20041211 is a deficient number, since it is larger than the sum of its proper divisors (952069).
20041211 is a wasteful number, since it uses less digits than its factorization.
20041211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3385.
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 20041211 is about 4476.7411138014. The cubic root of 20041211 is about 271.6280735237.
Adding to 20041211 its reverse (11214002), we get a palindrome (31255213).
The spelling of 20041211 in words is "twenty million, forty-one thousand, two hundred eleven".
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