Base | Representation |
---|---|
bin | 100110101110… |
… | …0000111100100 |
3 | 1102012100201111 |
4 | 1031130013210 |
5 | 20144102020 |
6 | 2003034404 |
7 | 334356301 |
oct | 115340744 |
9 | 42170644 |
10 | 20300260 |
11 | 10505982 |
12 | 696ba04 |
13 | 4289cb6 |
14 | 29a60a8 |
15 | 1baed5a |
hex | 135c1e4 |
20300260 has 24 divisors (see below), whose sum is σ = 44485056. Its totient is φ = 7766880.
The previous prime is 20300243. The next prime is 20300279. The reversal of 20300260 is 6200302.
It is a self number, because there is not a number n which added to its sum of digits gives 20300260.
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, 21606 + ... + 22525.
It is an arithmetic number, because the mean of its divisors is an integer number (1853544).
Almost surely, 220300260 is an apocalyptic number.
20300260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20300260 is an abundant number, since it is smaller than the sum of its proper divisors (24184796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20300260 is a wasteful number, since it uses less digits than its factorization.
20300260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44163 (or 44161 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 20300260 is about 4505.5809836246. The cubic root of 20300260 is about 272.7934050400.
Adding to 20300260 its reverse (6200302), we get a palindrome (26500562).
The spelling of 20300260 in words is "twenty million, three hundred thousand, two hundred sixty".
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