Base | Representation |
---|---|
bin | 100110011011… |
… | …0000001001001 |
3 | 1101220102122112 |
4 | 1030312001021 |
5 | 20124103301 |
6 | 1555432105 |
7 | 333136310 |
oct | 114660111 |
9 | 41812575 |
10 | 20144201 |
11 | 10409700 |
12 | 68b5635 |
13 | 4233c5c |
14 | 2965277 |
15 | 1b7d9bb |
hex | 1336049 |
20144201 has 24 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 14762880.
The previous prime is 20144143. The next prime is 20144209. The reversal of 20144201 is 10244102.
It is not a de Polignac number, because 20144201 - 214 = 20127817 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20144209) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13700 + ... + 15098.
It is an arithmetic number, because the mean of its divisors is an integer number (1117200).
Almost surely, 220144201 is an apocalyptic number.
It is an amenable number.
20144201 is a deficient number, since it is larger than the sum of its proper divisors (6668599).
20144201 is a wasteful number, since it uses less digits than its factorization.
20144201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1445 (or 1434 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
The square root of 20144201 is about 4488.2291608161. The cubic root of 20144201 is about 272.0925695952.
Adding to 20144201 its reverse (10244102), we get a palindrome (30388303).
Subtracting from 20144201 its reverse (10244102), we obtain a palindrome (9900099).
The spelling of 20144201 in words is "twenty million, one hundred forty-four thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •