Base | Representation |
---|---|
bin | 100110010110… |
… | …1010001000001 |
3 | 1101211121110211 |
4 | 1030231101001 |
5 | 20121431403 |
6 | 1554554121 |
7 | 332626636 |
oct | 114552101 |
9 | 41747424 |
10 | 20108353 |
11 | 10394781 |
12 | 6898941 |
13 | 4220845 |
14 | 295618d |
15 | 1b7306d |
hex | 132d441 |
20108353 has 8 divisors (see below), whose sum is σ = 20763200. Its totient is φ = 19459440.
The previous prime is 20108351. The next prime is 20108357. The reversal of 20108353 is 35380102.
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 20108353 - 21 = 20108351 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20108351) 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, 5998 + ... + 8728.
It is an arithmetic number, because the mean of its divisors is an integer number (2595400).
Almost surely, 220108353 is an apocalyptic number.
It is an amenable number.
20108353 is a deficient number, since it is larger than the sum of its proper divisors (654847).
20108353 is a wasteful number, since it uses less digits than its factorization.
20108353 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2967.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 20108353 is about 4484.2338253039. The cubic root of 20108353 is about 271.9310712378.
Adding to 20108353 its reverse (35380102), we get a palindrome (55488455).
The spelling of 20108353 in words is "twenty million, one hundred eight thousand, three hundred fifty-three".
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