Base | Representation |
---|---|
bin | 100110001111… |
… | …1001110011100 |
3 | 1101201200120212 |
4 | 1030133032130 |
5 | 20113111334 |
6 | 1553431552 |
7 | 332300162 |
oct | 114371634 |
9 | 41650525 |
10 | 20050844 |
11 | 10355550 |
12 | 686b5b8 |
13 | 4200608 |
14 | 293d232 |
15 | 1b60ece |
hex | 131f39c |
20050844 has 12 divisors (see below), whose sum is σ = 38278968. Its totient is φ = 9114000.
The previous prime is 20050843. The next prime is 20050853. The reversal of 20050844 is 44805002.
It is a super-2 number, since 2×200508442 = 804072690224672, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20050843) 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, 227807 + ... + 227894.
It is an arithmetic number, because the mean of its divisors is an integer number (3189914).
Almost surely, 220050844 is an apocalyptic number.
It is an amenable number.
20050844 is a deficient number, since it is larger than the sum of its proper divisors (18228124).
20050844 is a wasteful number, since it uses less digits than its factorization.
20050844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 455716 (or 455714 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 23.
The square root of 20050844 is about 4477.8168787926. The cubic root of 20050844 is about 271.6715867644.
Adding to 20050844 its reverse (44805002), we get a palindrome (64855846).
The spelling of 20050844 in words is "twenty million, fifty thousand, eight hundred forty-four".
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