Base | Representation |
---|---|
bin | 100110100000… |
… | …1001101010100 |
3 | 1101222202112010 |
4 | 1031001031110 |
5 | 20132040121 |
6 | 2000424220 |
7 | 333420036 |
oct | 115011524 |
9 | 41882463 |
10 | 20190036 |
11 | 10440089 |
12 | 6918070 |
13 | 424ba89 |
14 | 2977c56 |
15 | 1b8c376 |
hex | 1341354 |
20190036 has 24 divisors (see below), whose sum is σ = 47910240. Its totient is φ = 6615712.
The previous prime is 20190029. The next prime is 20190097. The reversal of 20190036 is 63009102.
It is a junction number, because it is equal to n+sod(n) for n = 20189994 and 20190021.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13551 + ... + 14966.
It is an arithmetic number, because the mean of its divisors is an integer number (1996260).
Almost surely, 220190036 is an apocalyptic number.
It is an amenable number.
20190036 is an abundant number, since it is smaller than the sum of its proper divisors (27720204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20190036 is a wasteful number, since it uses less digits than its factorization.
20190036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28583 (or 28581 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 21.
The square root of 20190036 is about 4493.3323936695. The cubic root of 20190036 is about 272.2987813975.
Adding to 20190036 its reverse (63009102), we get a palindrome (83199138).
The spelling of 20190036 in words is "twenty million, one hundred ninety thousand, thirty-six".
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