Base | Representation |
---|---|
bin | 10010110010011… |
… | …001101010110110 |
3 | 210222002221011200 |
4 | 102302121222312 |
5 | 1121142432410 |
6 | 51135513330 |
7 | 10545113640 |
oct | 2262315266 |
9 | 728087150 |
10 | 315202230 |
11 | 151a18112 |
12 | 89688846 |
13 | 503c14c5 |
14 | 2dc0d890 |
15 | 1ca133c0 |
hex | 12c99ab6 |
315202230 has 48 divisors (see below), whose sum is σ = 936602784. Its totient is φ = 72046080.
The previous prime is 315202201. The next prime is 315202231. The reversal of 315202230 is 32202513.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315202231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249531 + ... + 250790.
It is an arithmetic number, because the mean of its divisors is an integer number (19512558).
Almost surely, 2315202230 is an apocalyptic number.
315202230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
315202230 is an abundant number, since it is smaller than the sum of its proper divisors (621400554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315202230 is a wasteful number, since it uses less digits than its factorization.
315202230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500341 (or 500338 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 315202230 is about 17753.9356200252. The cubic root of 315202230 is about 680.5547880177.
Adding to 315202230 its reverse (32202513), we get a palindrome (347404743).
The spelling of 315202230 in words is "three hundred fifteen million, two hundred two thousand, two hundred thirty".
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