Base | Representation |
---|---|
bin | 10010110001110… |
… | …101110001111110 |
3 | 210221211110112020 |
4 | 102301311301332 |
5 | 1121123231410 |
6 | 51132421010 |
7 | 10543632240 |
oct | 2261656176 |
9 | 727743466 |
10 | 315055230 |
11 | 151927726 |
12 | 89617766 |
13 | 5036c619 |
14 | 2dbb2090 |
15 | 1c9d4a70 |
hex | 12c75c7e |
315055230 has 64 divisors (see below), whose sum is σ = 866557440. Its totient is φ = 71812224.
The previous prime is 315055229. The next prime is 315055243. The reversal of 315055230 is 32550513.
It is a self number, because there is not a number n which added to its sum of digits gives 315055230.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81481 + ... + 85259.
It is an arithmetic number, because the mean of its divisors is an integer number (13539960).
Almost surely, 2315055230 is an apocalyptic number.
315055230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 315055230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433278720).
315055230 is an abundant number, since it is smaller than the sum of its proper divisors (551502210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315055230 is a wasteful number, since it uses less digits than its factorization.
315055230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4193.
The product of its (nonzero) digits is 2250, while the sum is 24.
The square root of 315055230 is about 17749.7952100862. The cubic root of 315055230 is about 680.4489754098.
The spelling of 315055230 in words is "three hundred fifteen million, fifty-five thousand, two hundred thirty".
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