Base | Representation |
---|---|
bin | 11001010100101… |
… | …10011000001100 |
3 | 112210201110211211 |
4 | 30222112120030 |
5 | 413340201200 |
6 | 33025024204 |
7 | 5156416330 |
oct | 1452263014 |
9 | 483643754 |
10 | 212428300 |
11 | a9a01587 |
12 | 5b185064 |
13 | 35019226 |
14 | 202d97c0 |
15 | 139b1aba |
hex | ca9660c |
212428300 has 36 divisors (see below), whose sum is σ = 526823920. Its totient is φ = 72832320.
The previous prime is 212428289. The next prime is 212428309. The reversal of 212428300 is 3824212.
It is not an unprimeable number, because it can be changed into a prime (212428309) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151035 + ... + 152434.
Almost surely, 2212428300 is an apocalyptic number.
212428300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212428300 is an abundant number, since it is smaller than the sum of its proper divisors (314395620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212428300 is a wasteful number, since it uses less digits than its factorization.
212428300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303490 (or 303483 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 212428300 is about 14574.9202399190. The cubic root of 212428300 is about 596.6744725354.
The spelling of 212428300 in words is "two hundred twelve million, four hundred twenty-eight thousand, three hundred".
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