Base | Representation |
---|---|
bin | 100110001101… |
… | …0111111001101 |
3 | 1101200210202221 |
4 | 1030122333031 |
5 | 20112032420 |
6 | 1553215341 |
7 | 332165443 |
oct | 114327715 |
9 | 41623687 |
10 | 20033485 |
11 | 103434aa |
12 | 6861551 |
13 | 41c5744 |
14 | 2936b93 |
15 | 1b5acaa |
hex | 131afcd |
20033485 has 8 divisors (see below), whose sum is σ = 24599520. Its totient is φ = 15653904.
The previous prime is 20033477. The next prime is 20033491. The reversal of 20033485 is 58433002.
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 20033485 - 23 = 20033477 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46375 + ... + 46804.
It is an arithmetic number, because the mean of its divisors is an integer number (3074940).
Almost surely, 220033485 is an apocalyptic number.
It is an amenable number.
20033485 is a deficient number, since it is larger than the sum of its proper divisors (4566035).
20033485 is an equidigital number, since it uses as much as digits as its factorization.
20033485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93227.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 20033485 is about 4475.8781261335. The cubic root of 20033485 is about 271.5931643188.
Adding to 20033485 its reverse (58433002), we get a palindrome (78466487).
The spelling of 20033485 in words is "twenty million, thirty-three thousand, four hundred eighty-five".
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