Base | Representation |
---|---|
bin | 100111001001… |
… | …0111111101010 |
3 | 1102121210001110 |
4 | 1032102333222 |
5 | 20223300114 |
6 | 2011531150 |
7 | 336313515 |
oct | 116227752 |
9 | 42553043 |
10 | 20525034 |
11 | 10649842 |
12 | 6a59ab6 |
13 | 43383ba |
14 | 2a23d7c |
15 | 1c06759 |
hex | 1392fea |
20525034 has 8 divisors (see below), whose sum is σ = 41050080. Its totient is φ = 6841676.
The previous prime is 20525017. The next prime is 20525053. The reversal of 20525034 is 43052502.
It is a sphenic number, since it is the product of 3 distinct primes.
20525034 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 20525034.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710414 + ... + 1710425.
It is an arithmetic number, because the mean of its divisors is an integer number (5131260).
Almost surely, 220525034 is an apocalyptic number.
20525034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20525034 is a wasteful number, since it uses less digits than its factorization.
20525034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3420844.
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 20525034 is about 4530.4562684127. The cubic root of 20525034 is about 273.7965438677.
Adding to 20525034 its reverse (43052502), we get a palindrome (63577536).
The spelling of 20525034 in words is "twenty million, five hundred twenty-five thousand, thirty-four".
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