Base | Representation |
---|---|
bin | 111101101010001011011 |
3 | 10210122112020 |
4 | 13231101123 |
5 | 1004123233 |
6 | 111145523 |
7 | 23113335 |
oct | 7552133 |
9 | 3718466 |
10 | 2020443 |
11 | 115aa97 |
12 | 8152a3 |
13 | 559839 |
14 | 3a8455 |
15 | 29d9b3 |
hex | 1ed45b |
2020443 has 8 divisors (see below), whose sum is σ = 2715648. Its totient is φ = 1336104.
The previous prime is 2020429. The next prime is 2020457. The reversal of 2020443 is 3440202.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2020429) and next prime (2020457).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2020443 - 25 = 2020411 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2020423) 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, 2271 + ... + 3032.
It is an arithmetic number, because the mean of its divisors is an integer number (339456).
22020443 is an apocalyptic number.
2020443 is a deficient number, since it is larger than the sum of its proper divisors (695205).
2020443 is a wasteful number, since it uses less digits than its factorization.
2020443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5433.
The product of its (nonzero) digits is 192, while the sum is 15.
The square root of 2020443 is about 1421.4228786677. The cubic root of 2020443 is about 126.4199267241.
Adding to 2020443 its reverse (3440202), we get a palindrome (5460645).
The spelling of 2020443 in words is "two million, twenty thousand, four hundred forty-three".
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