Base | Representation |
---|---|
bin | 100110010110… |
… | …0101100111100 |
3 | 1101211111022022 |
4 | 1030230230330 |
5 | 20121343134 |
6 | 1554535312 |
7 | 332620130 |
oct | 114545474 |
9 | 41744268 |
10 | 20106044 |
11 | 10392a72 |
12 | 6897538 |
13 | 421c78a |
14 | 29553c0 |
15 | 1b7252e |
hex | 132cb3c |
20106044 has 24 divisors (see below), whose sum is σ = 40360320. Its totient is φ = 8585136.
The previous prime is 20106041. The next prime is 20106061. The reversal of 20106044 is 44060102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20106041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7427 + ... + 9765.
It is an arithmetic number, because the mean of its divisors is an integer number (1681680).
Almost surely, 220106044 is an apocalyptic number.
It is an amenable number.
20106044 is an abundant number, since it is smaller than the sum of its proper divisors (20254276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20106044 is a wasteful number, since it uses less digits than its factorization.
20106044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2657 (or 2655 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 20106044 is about 4483.9763603302. The cubic root of 20106044 is about 271.9206624145.
Adding to 20106044 its reverse (44060102), we get a palindrome (64166146).
The spelling of 20106044 in words is "twenty million, one hundred six thousand, forty-four".
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