Base | Representation |
---|---|
bin | 111101010110… |
… | …1100001010100 |
3 | 2020112022020011 |
4 | 1322231201110 |
5 | 31213334040 |
6 | 3105250004 |
7 | 540265213 |
oct | 172554124 |
9 | 66468204 |
10 | 32168020 |
11 | 17181345 |
12 | a933904 |
13 | 6883a41 |
14 | 43b507a |
15 | 2c563ea |
hex | 1ead854 |
32168020 has 12 divisors (see below), whose sum is σ = 67552884. Its totient is φ = 12867200.
The previous prime is 32167997. The next prime is 32168021. The reversal of 32168020 is 2086123.
It can be written as a sum of positive squares in 2 ways, for example, as 20757136 + 11410884 = 4556^2 + 3378^2 .
It is a junction number, because it is equal to n+sod(n) for n = 32167982 and 32168000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32168021) 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 3 ways as a sum of consecutive naturals, for example, 804181 + ... + 804220.
It is an arithmetic number, because the mean of its divisors is an integer number (5629407).
Almost surely, 232168020 is an apocalyptic number.
It is an amenable number.
32168020 is an abundant number, since it is smaller than the sum of its proper divisors (35384864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32168020 is a wasteful number, since it uses less digits than its factorization.
32168020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1608410 (or 1608408 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 32168020 is about 5671.6858164041. The cubic root of 32168020 is about 318.0348972158.
It can be divided in two parts, 3216 and 8020, that added together give a square (11236 = 1062).
The spelling of 32168020 in words is "thirty-two million, one hundred sixty-eight thousand, twenty".
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