Base | Representation |
---|---|
bin | 100110101110… |
… | …0010111110100 |
3 | 1102012102011000 |
4 | 1031130113310 |
5 | 20144120200 |
6 | 2003043300 |
7 | 334362315 |
oct | 115342764 |
9 | 42172130 |
10 | 20301300 |
11 | 10506738 |
12 | 6970530 |
13 | 428a606 |
14 | 29a660c |
15 | 1bb0300 |
hex | 135c5f4 |
20301300 has 144 divisors (see below), whose sum is σ = 66801280. Its totient is φ = 5287680.
The previous prime is 20301287. The next prime is 20301301. The reversal of 20301300 is 310302.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20301301) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197049 + ... + 197151.
Almost surely, 220301300 is an apocalyptic number.
20301300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20301300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33400640).
20301300 is an abundant number, since it is smaller than the sum of its proper divisors (46499980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20301300 is a wasteful number, since it uses less digits than its factorization.
20301300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 199 (or 186 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 9.
The square root of 20301300 is about 4505.6963945654. The cubic root of 20301300 is about 272.7980634417.
Adding to 20301300 its reverse (310302), we get a palindrome (20611602).
The spelling of 20301300 in words is "twenty million, three hundred one thousand, three hundred".
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