Base | Representation |
---|---|
bin | 11001001100000… |
… | …10011100100000 |
3 | 112201121001110211 |
4 | 30212002130200 |
5 | 413043014310 |
6 | 32544503504 |
7 | 5144001250 |
oct | 1446023440 |
9 | 481531424 |
10 | 211298080 |
11 | a92aa414 |
12 | 5a91ab94 |
13 | 34a11966 |
14 | 200c3960 |
15 | 1383bc8a |
hex | c982720 |
211298080 has 96 divisors (see below), whose sum is σ = 577632384. Its totient is φ = 71540736.
The previous prime is 211298039. The next prime is 211298081. The reversal of 211298080 is 80892112.
It is a happy number.
It is a super-2 number, since 2×2112980802 = 89293757223372800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (211298081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91824 + ... + 94096.
It is an arithmetic number, because the mean of its divisors is an integer number (6017004).
Almost surely, 2211298080 is an apocalyptic number.
211298080 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 211298080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288816192).
211298080 is an abundant number, since it is smaller than the sum of its proper divisors (366334304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211298080 is a wasteful number, since it uses less digits than its factorization.
211298080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2378 (or 2370 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 31.
The square root of 211298080 is about 14536.0957619300. The cubic root of 211298080 is about 595.6143925518.
The spelling of 211298080 in words is "two hundred eleven million, two hundred ninety-eight thousand, eighty".
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