Base | Representation |
---|---|
bin | 11001000101110… |
… | …00010011110000 |
3 | 112200000222201221 |
4 | 30202320103300 |
5 | 412340021003 |
6 | 32515034424 |
7 | 5133652351 |
oct | 1442702360 |
9 | 480028657 |
10 | 210470128 |
11 | a8894360 |
12 | 5a59ba14 |
13 | 347b1b4b |
14 | 1dd49d28 |
15 | 137267bd |
hex | c8b84f0 |
210470128 has 40 divisors (see below), whose sum is σ = 451149696. Its totient is φ = 94315200.
The previous prime is 210470123. The next prime is 210470147. The reversal of 210470128 is 821074012.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210470123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4075 + ... + 20917.
Almost surely, 2210470128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 210470128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225574848).
210470128 is an abundant number, since it is smaller than the sum of its proper divisors (240679568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210470128 is a wasteful number, since it uses less digits than its factorization.
210470128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16933 (or 16927 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 25.
The square root of 210470128 is about 14507.5886349179. The cubic root of 210470128 is about 594.8354209029.
The spelling of 210470128 in words is "two hundred ten million, four hundred seventy thousand, one hundred twenty-eight".
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