Base | Representation |
---|---|
bin | 100110001100… |
… | …1011110010011 |
3 | 1101200111021020 |
4 | 1030121132103 |
5 | 20111333113 |
6 | 1553130523 |
7 | 332141403 |
oct | 114313623 |
9 | 41614236 |
10 | 20027283 |
11 | 10339881 |
12 | 6859a43 |
13 | 41c2983 |
14 | 2934803 |
15 | 1b59023 |
hex | 1319793 |
20027283 has 8 divisors (see below), whose sum is σ = 26728896. Its totient is φ = 13338600.
The previous prime is 20027263. The next prime is 20027291. The reversal of 20027283 is 38272002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20027283 - 25 = 20027251 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20027213) 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, 1288 + ... + 6458.
It is an arithmetic number, because the mean of its divisors is an integer number (3341112).
Almost surely, 220027283 is an apocalyptic number.
20027283 is a deficient number, since it is larger than the sum of its proper divisors (6701613).
20027283 is a wasteful number, since it uses less digits than its factorization.
20027283 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6465.
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 20027283 is about 4475.1852475624. The cubic root of 20027283 is about 271.5651346698.
Adding to 20027283 its reverse (38272002), we get a palindrome (58299285).
The spelling of 20027283 in words is "twenty million, twenty-seven thousand, two hundred eighty-three".
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