Base | Representation |
---|---|
bin | 100110100111… |
… | …0100010000011 |
3 | 1102002112101102 |
4 | 1031032202003 |
5 | 20140311421 |
6 | 2001525015 |
7 | 334035122 |
oct | 115164203 |
9 | 42075342 |
10 | 20244611 |
11 | 10478092 |
12 | 694376b |
13 | 426a87a |
14 | 298dab9 |
15 | 1b9d60b |
hex | 134e883 |
20244611 has 8 divisors (see below), whose sum is σ = 21092400. Its totient is φ = 19413760.
The previous prime is 20244607. The next prime is 20244617. The reversal of 20244611 is 11644202.
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 20244611 - 22 = 20244607 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20244617) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1766 + ... + 6603.
It is an arithmetic number, because the mean of its divisors is an integer number (2636550).
Almost surely, 220244611 is an apocalyptic number.
20244611 is a deficient number, since it is larger than the sum of its proper divisors (847789).
20244611 is an equidigital number, since it uses as much as digits as its factorization.
20244611 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8469.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 20244611 is about 4499.4011823797. The cubic root of 20244611 is about 272.5439078590.
Adding to 20244611 its reverse (11644202), we get a palindrome (31888813).
The spelling of 20244611 in words is "twenty million, two hundred forty-four thousand, six hundred eleven".
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