Base | Representation |
---|---|
bin | 100110110011… |
… | …0011010001101 |
3 | 1102021111112201 |
4 | 1031212122031 |
5 | 20201424123 |
6 | 2004001501 |
7 | 334623220 |
oct | 115463215 |
9 | 42244481 |
10 | 20342413 |
11 | 10534613 |
12 | 6990291 |
13 | 42a3240 |
14 | 29b75b7 |
15 | 1bbc5ad |
hex | 136668d |
20342413 has 8 divisors (see below), whose sum is σ = 25036928. Its totient is φ = 16095024.
The previous prime is 20342411. The next prime is 20342429. The reversal of 20342413 is 31424302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20342413 - 21 = 20342411 is a prime.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20342411) 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 7 ways as a sum of consecutive naturals, for example, 111681 + ... + 111862.
It is an arithmetic number, because the mean of its divisors is an integer number (3129616).
Almost surely, 220342413 is an apocalyptic number.
It is an amenable number.
20342413 is a deficient number, since it is larger than the sum of its proper divisors (4694515).
20342413 is a wasteful number, since it uses less digits than its factorization.
20342413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223563.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 20342413 is about 4510.2564228656. The cubic root of 20342413 is about 272.9820908072.
Adding to 20342413 its reverse (31424302), we get a palindrome (51766715).
The spelling of 20342413 in words is "twenty million, three hundred forty-two thousand, four hundred thirteen".
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