Base | Representation |
---|---|
bin | 100110010000… |
… | …0000000100100 |
3 | 1101201211222200 |
4 | 1030200000210 |
5 | 20113212202 |
6 | 1553454500 |
7 | 332312424 |
oct | 114400044 |
9 | 41654880 |
10 | 20054052 |
11 | 103579a7 |
12 | 6871430 |
13 | 4201c05 |
14 | 2940484 |
15 | 1b61e1c |
hex | 1320024 |
20054052 has 18 divisors (see below), whose sum is σ = 50692278. Its totient is φ = 6684672.
The previous prime is 20054017. The next prime is 20054093. The reversal of 20054052 is 25045002.
It can be written as a sum of positive squares in only one way, i.e., 10653696 + 9400356 = 3264^2 + 3066^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a zygodrome in base 8.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278493 + ... + 278564.
Almost surely, 220054052 is an apocalyptic number.
It is an amenable number.
20054052 is an abundant number, since it is smaller than the sum of its proper divisors (30638226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20054052 is a wasteful number, since it uses less digits than its factorization.
20054052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 557067 (or 557062 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 20054052 is about 4478.1750747375. The cubic root of 20054052 is about 271.6860745332.
Adding to 20054052 its reverse (25045002), we get a palindrome (45099054).
The spelling of 20054052 in words is "twenty million, fifty-four thousand, fifty-two".
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