Base | Representation |
---|---|
bin | 100110010001… |
… | …0010010110111 |
3 | 1101202022211110 |
4 | 1030202102313 |
5 | 20114012130 |
6 | 1554010103 |
7 | 332351631 |
oct | 114422267 |
9 | 41668743 |
10 | 20063415 |
11 | 10363a39 |
12 | 6876933 |
13 | 4206258 |
14 | 2943a51 |
15 | 1b64ab0 |
hex | 13224b7 |
20063415 has 16 divisors (see below), whose sum is σ = 32708448. Its totient is φ = 10498176.
The previous prime is 20063401. The next prime is 20063419. The reversal of 20063415 is 51436002.
It is a happy number.
It is not a de Polignac number, because 20063415 - 28 = 20063159 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20063391 and 20063400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20063419) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11824 + ... + 13413.
It is an arithmetic number, because the mean of its divisors is an integer number (2044278).
Almost surely, 220063415 is an apocalyptic number.
20063415 is a deficient number, since it is larger than the sum of its proper divisors (12645033).
20063415 is a wasteful number, since it uses less digits than its factorization.
20063415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25298.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 20063415 is about 4479.2203562674. The cubic root of 20063415 is about 271.7283502942.
Adding to 20063415 its reverse (51436002), we get a palindrome (71499417).
The spelling of 20063415 in words is "twenty million, sixty-three thousand, four hundred fifteen".
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