Base | Representation |
---|---|
bin | 100110100101… |
… | …1110011000101 |
3 | 1102001222000200 |
4 | 1031023303011 |
5 | 20134432123 |
6 | 2001401113 |
7 | 333660354 |
oct | 115136305 |
9 | 42058020 |
10 | 20233413 |
11 | 1046a732 |
12 | 6939199 |
13 | 4265745 |
14 | 298999b |
15 | 1b9a143 |
hex | 134bcc5 |
20233413 has 12 divisors (see below), whose sum is σ = 30016428. Its totient is φ = 13124160.
The previous prime is 20233363. The next prime is 20233427. The reversal of 20233413 is 31433202.
20233413 is a `hidden beast` number, since 20 + 233 + 413 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 18378369 + 1855044 = 4287^2 + 1362^2 .
It is not a de Polignac number, because 20233413 - 224 = 3456197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20233463) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30048 + ... + 30713.
It is an arithmetic number, because the mean of its divisors is an integer number (2501369).
Almost surely, 220233413 is an apocalyptic number.
It is an amenable number.
20233413 is a deficient number, since it is larger than the sum of its proper divisors (9783015).
20233413 is a wasteful number, since it uses less digits than its factorization.
20233413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60804 (or 60801 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 20233413 is about 4498.1566224399. The cubic root of 20233413 is about 272.4936474124.
Adding to 20233413 its reverse (31433202), we get a palindrome (51666615).
The spelling of 20233413 in words is "twenty million, two hundred thirty-three thousand, four hundred thirteen".
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