Base | Representation |
---|---|
bin | 10010110010110… |
… | …010100111101110 |
3 | 210222022010100212 |
4 | 102302302213232 |
5 | 1121204220210 |
6 | 51142022422 |
7 | 10546020620 |
oct | 2262624756 |
9 | 728263325 |
10 | 315304430 |
11 | 151a87981 |
12 | 89717a12 |
13 | 50428b8c |
14 | 2dc38c10 |
15 | 1ca33805 |
hex | 12cb29ee |
315304430 has 32 divisors (see below), whose sum is σ = 682767360. Its totient is φ = 102414240.
The previous prime is 315304421. The next prime is 315304439. The reversal of 315304430 is 34403513.
It is an interprime number because it is at equal distance from previous prime (315304421) and next prime (315304439).
It is a junction number, because it is equal to n+sod(n) for n = 315304396 and 315304405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315304439) 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, 117206 + ... + 119865.
It is an arithmetic number, because the mean of its divisors is an integer number (21336480).
Almost surely, 2315304430 is an apocalyptic number.
315304430 is an abundant number, since it is smaller than the sum of its proper divisors (367462930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315304430 is a wasteful number, since it uses less digits than its factorization.
315304430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237104.
The product of its (nonzero) digits is 2160, while the sum is 23.
The square root of 315304430 is about 17756.8136218185. The cubic root of 315304430 is about 680.6283335882.
Adding to 315304430 its reverse (34403513), we get a palindrome (349707943).
The spelling of 315304430 in words is "three hundred fifteen million, three hundred four thousand, four hundred thirty".
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