Base | Representation |
---|---|
bin | 100110011001… |
… | …1101000001101 |
3 | 1101212221020000 |
4 | 1030303220031 |
5 | 20123300123 |
6 | 1555314513 |
7 | 333065625 |
oct | 114635015 |
9 | 41787200 |
10 | 20134413 |
11 | 10402312 |
12 | 68aba39 |
13 | 422c670 |
14 | 2961885 |
15 | 1b7ab43 |
hex | 1333a0d |
20134413 has 20 divisors (see below), whose sum is σ = 32392668. Its totient is φ = 12389760.
The previous prime is 20134391. The next prime is 20134417. The reversal of 20134413 is 31443102.
It can be written as a sum of positive squares in 2 ways, for example, as 10381284 + 9753129 = 3222^2 + 3123^2 .
It is not a de Polignac number, because 20134413 - 213 = 20126221 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20134417) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8508 + ... + 10613.
Almost surely, 220134413 is an apocalyptic number.
It is an amenable number.
20134413 is a deficient number, since it is larger than the sum of its proper divisors (12258255).
20134413 is a wasteful number, since it uses less digits than its factorization.
20134413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19146 (or 19137 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 20134413 is about 4487.1386205465. The cubic root of 20134413 is about 272.0484928319.
Adding to 20134413 its reverse (31443102), we get a palindrome (51577515).
The spelling of 20134413 in words is "twenty million, one hundred thirty-four thousand, four hundred thirteen".
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