Base | Representation |
---|---|
bin | 100110100010… |
… | …1001001100000 |
3 | 1102000120122220 |
4 | 1031011021200 |
5 | 20133044201 |
6 | 2001031040 |
7 | 333515064 |
oct | 115051140 |
9 | 42016586 |
10 | 20206176 |
11 | 10451221 |
12 | 6925480 |
13 | 4256223 |
14 | 297daa4 |
15 | 1b92036 |
hex | 1345260 |
20206176 has 24 divisors (see below), whose sum is σ = 53041464. Its totient is φ = 6735360.
The previous prime is 20206171. The next prime is 20206187. The reversal of 20206176 is 67160202.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20206171) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105145 + ... + 105336.
It is an arithmetic number, because the mean of its divisors is an integer number (2210061).
Almost surely, 220206176 is an apocalyptic number.
It is an amenable number.
20206176 is an abundant number, since it is smaller than the sum of its proper divisors (32835288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20206176 is a wasteful number, since it uses less digits than its factorization.
20206176 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210494 (or 210486 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 20206176 is about 4495.1280293224. The cubic root of 20206176 is about 272.3713210032.
Adding to 20206176 its reverse (67160202), we get a palindrome (87366378).
The spelling of 20206176 in words is "twenty million, two hundred six thousand, one hundred seventy-six".
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