Base | Representation |
---|---|
bin | 100110010000… |
… | …0001110010110 |
3 | 1101201220012100 |
4 | 1030200032112 |
5 | 20113224214 |
6 | 1553502530 |
7 | 332315124 |
oct | 114401626 |
9 | 41656170 |
10 | 20054934 |
11 | 10358629 |
12 | 6871a46 |
13 | 4202433 |
14 | 2940914 |
15 | 1b62309 |
hex | 1320396 |
20054934 has 24 divisors (see below), whose sum is σ = 46009080. Its totient is φ = 6291648.
The previous prime is 20054933. The next prime is 20054941. The reversal of 20054934 is 43945002.
It is a junction number, because it is equal to n+sod(n) for n = 20054898 and 20054907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20054933) 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, 32464 + ... + 33075.
It is an arithmetic number, because the mean of its divisors is an integer number (1917045).
Almost surely, 220054934 is an apocalyptic number.
20054934 is an abundant number, since it is smaller than the sum of its proper divisors (25954146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20054934 is a wasteful number, since it uses less digits than its factorization.
20054934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65564 (or 65561 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 20054934 is about 4478.2735512695. The cubic root of 20054934 is about 271.6900574956.
Adding to 20054934 its reverse (43945002), we get a palindrome (63999936).
The spelling of 20054934 in words is "twenty million, fifty-four thousand, nine hundred thirty-four".
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