Base | Representation |
---|---|
bin | 100110010110… |
… | …1010001010010 |
3 | 1101211121111110 |
4 | 1030231101102 |
5 | 20121431440 |
6 | 1554554150 |
7 | 332626662 |
oct | 114552122 |
9 | 41747443 |
10 | 20108370 |
11 | 10394797 |
12 | 6898956 |
13 | 4220859 |
14 | 29561a2 |
15 | 1b73080 |
hex | 132d452 |
20108370 has 16 divisors (see below), whose sum is σ = 48260160. Its totient is φ = 5362224.
The previous prime is 20108357. The next prime is 20108377. The reversal of 20108370 is 7380102.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20108377) 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, 335110 + ... + 335169.
It is an arithmetic number, because the mean of its divisors is an integer number (3016260).
Almost surely, 220108370 is an apocalyptic number.
20108370 is an abundant number, since it is smaller than the sum of its proper divisors (28151790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20108370 is a wasteful number, since it uses less digits than its factorization.
20108370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 670289.
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 20108370 is about 4484.2357208336. The cubic root of 20108370 is about 271.9311478697.
Adding to 20108370 its reverse (7380102), we get a palindrome (27488472).
The spelling of 20108370 in words is "twenty million, one hundred eight thousand, three hundred seventy".
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