Base | Representation |
---|---|
bin | 100110001010… |
… | …0010110110101 |
3 | 1101122102112000 |
4 | 1030110112311 |
5 | 20110200300 |
6 | 1552445513 |
7 | 332023323 |
oct | 114242665 |
9 | 41572460 |
10 | 20006325 |
11 | 10325059 |
12 | 6849899 |
13 | 41b6281 |
14 | 292ad13 |
15 | 1b52c00 |
hex | 13145b5 |
20006325 has 48 divisors (see below), whose sum is σ = 37229760. Its totient is φ = 10532160.
The previous prime is 20006279. The next prime is 20006339. The reversal of 20006325 is 52360002.
It is not a de Polignac number, because 20006325 - 210 = 20005301 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20006298 and 20006307.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72087 + ... + 72363.
It is an arithmetic number, because the mean of its divisors is an integer number (775620).
Almost surely, 220006325 is an apocalyptic number.
20006325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20006325 is a deficient number, since it is larger than the sum of its proper divisors (17223435).
20006325 is a wasteful number, since it uses less digits than its factorization.
20006325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 403 (or 392 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 20006325 is about 4472.8430555967. The cubic root of 20006325 is about 271.4703731293.
Adding to 20006325 its reverse (52360002), we get a palindrome (72366327).
The spelling of 20006325 in words is "twenty million, six thousand, three hundred twenty-five".
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