Base | Representation |
---|---|
bin | 100110001101… |
… | …0110111101101 |
3 | 1101200210010011 |
4 | 1030122313231 |
5 | 20112024010 |
6 | 1553213221 |
7 | 332164156 |
oct | 114326755 |
9 | 41623104 |
10 | 20033005 |
11 | 10343103 |
12 | 6861211 |
13 | 41c5465 |
14 | 293692d |
15 | 1b5aa8a |
hex | 131aded |
20033005 has 8 divisors (see below), whose sum is σ = 24378624. Its totient is φ = 15800400.
The previous prime is 20032967. The next prime is 20033009. The reversal of 20033005 is 50033002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20033005 - 27 = 20032877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20033009) 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, 27861 + ... + 28570.
It is an arithmetic number, because the mean of its divisors is an integer number (3047328).
Almost surely, 220033005 is an apocalyptic number.
It is an amenable number.
20033005 is a deficient number, since it is larger than the sum of its proper divisors (4345619).
20033005 is an equidigital number, since it uses as much as digits as its factorization.
20033005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56507.
The product of its (nonzero) digits is 90, while the sum is 13.
The square root of 20033005 is about 4475.8245050493. The cubic root of 20033005 is about 271.5909951878.
Adding to 20033005 its reverse (50033002), we get a palindrome (70066007).
The spelling of 20033005 in words is "twenty million, thirty-three thousand, five".
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