Base | Representation |
---|---|
bin | 100110010011… |
… | …1001000110001 |
3 | 1101210100001001 |
4 | 1030213020301 |
5 | 20120130444 |
6 | 1554242001 |
7 | 332463514 |
oct | 114471061 |
9 | 41710031 |
10 | 20083249 |
11 | 1037792a |
12 | 6886301 |
13 | 42122a4 |
14 | 294ad7b |
15 | 1b6a8d4 |
hex | 1327231 |
20083249 has 8 divisors (see below), whose sum is σ = 20563712. Its totient is φ = 19608480.
The previous prime is 20083243. The next prime is 20083277. The reversal of 20083249 is 94238002.
20083249 is nontrivially palindromic in base 16.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20083249 - 27 = 20083121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20083243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6184 + ... + 8854.
It is an arithmetic number, because the mean of its divisors is an integer number (2570464).
Almost surely, 220083249 is an apocalyptic number.
It is an amenable number.
20083249 is a deficient number, since it is larger than the sum of its proper divisors (480463).
20083249 is a wasteful number, since it uses less digits than its factorization.
20083249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2847.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 20083249 is about 4481.4338107351. The cubic root of 20083249 is about 271.8178612296.
The spelling of 20083249 in words is "twenty million, eighty-three thousand, two hundred forty-nine".
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