Base | Representation |
---|---|
bin | 100110010110… |
… | …0110001110000 |
3 | 1101211111201201 |
4 | 1030230301300 |
5 | 20121400402 |
6 | 1554540544 |
7 | 332621050 |
oct | 114546160 |
9 | 41744651 |
10 | 20106352 |
11 | 10393222 |
12 | 6897754 |
13 | 421c966 |
14 | 2955560 |
15 | 1b72687 |
hex | 132cc70 |
20106352 has 40 divisors (see below), whose sum is σ = 45965312. Its totient is φ = 8337600.
The previous prime is 20106337. The next prime is 20106371. The reversal of 20106352 is 25360102.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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, 577 + ... + 6367.
Almost surely, 220106352 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20106352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22982656).
20106352 is an abundant number, since it is smaller than the sum of its proper divisors (25858960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20106352 is a wasteful number, since it uses less digits than its factorization.
20106352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5837 (or 5831 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 20106352 is about 4484.0107047151. The cubic root of 20106352 is about 271.9220509047.
Adding to 20106352 its reverse (25360102), we get a palindrome (45466454).
The spelling of 20106352 in words is "twenty million, one hundred six thousand, three hundred fifty-two".
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