Base | Representation |
---|---|
bin | 100110001010… |
… | …0011101000111 |
3 | 1101122110001220 |
4 | 1030110131013 |
5 | 20110203402 |
6 | 1552451423 |
7 | 332024436 |
oct | 114243507 |
9 | 41573056 |
10 | 20006727 |
11 | 10325394 |
12 | 6849b73 |
13 | 41b6500 |
14 | 292b11d |
15 | 1b52dbc |
hex | 1314747 |
20006727 has 12 divisors (see below), whose sum is σ = 28886184. Its totient is φ = 12311520.
The previous prime is 20006717. The next prime is 20006731. The reversal of 20006727 is 72760002.
It is not a de Polignac number, because 20006727 - 26 = 20006663 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20006697 and 20006706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20006717) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19224 + ... + 20237.
It is an arithmetic number, because the mean of its divisors is an integer number (2407182).
Almost surely, 220006727 is an apocalyptic number.
20006727 is a deficient number, since it is larger than the sum of its proper divisors (8879457).
20006727 is a wasteful number, since it uses less digits than its factorization.
20006727 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39490 (or 39477 counting only the distinct ones).
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 20006727 is about 4472.8879932321. The cubic root of 20006727 is about 271.4721913936.
Adding to 20006727 its reverse (72760002), we get a palindrome (92766729).
The spelling of 20006727 in words is "twenty million, six thousand, seven hundred twenty-seven".
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