Base | Representation |
---|---|
bin | 100110001010… |
… | …0011100010001 |
3 | 1101122102222220 |
4 | 1030110130101 |
5 | 20110203143 |
6 | 1552451253 |
7 | 332024331 |
oct | 114243421 |
9 | 41572886 |
10 | 20006673 |
11 | 10325345 |
12 | 6849b29 |
13 | 41b648b |
14 | 292b0c1 |
15 | 1b52d83 |
hex | 1314711 |
20006673 has 8 divisors (see below), whose sum is σ = 26778048. Its totient is φ = 13286544.
The previous prime is 20006663. The next prime is 20006681. The reversal of 20006673 is 37660002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20006673 - 25 = 20006641 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20006663) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11890 + ... + 13467.
It is an arithmetic number, because the mean of its divisors is an integer number (3347256).
Almost surely, 220006673 is an apocalyptic number.
It is an amenable number.
20006673 is a deficient number, since it is larger than the sum of its proper divisors (6771375).
20006673 is a wasteful number, since it uses less digits than its factorization.
20006673 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25623.
The product of its (nonzero) digits is 1512, while the sum is 24.
The square root of 20006673 is about 4472.8819568596. The cubic root of 20006673 is about 271.4719471505.
Adding to 20006673 its reverse (37660002), we get a palindrome (57666675).
The spelling of 20006673 in words is "twenty million, six thousand, six hundred seventy-three".
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