Base | Representation |
---|---|
bin | 10011101111100… |
… | …110011010010000 |
3 | 212002021222222202 |
4 | 103233212122100 |
5 | 1134244321300 |
6 | 52511422332 |
7 | 11131352306 |
oct | 2357463220 |
9 | 762258882 |
10 | 331245200 |
11 | 15aa85470 |
12 | 92b249a8 |
13 | 5381a7a0 |
14 | 31dc8276 |
15 | 1e131ad5 |
hex | 13be6690 |
331245200 has 120 divisors (see below), whose sum is σ = 935106816. Its totient is φ = 111168000.
The previous prime is 331245193. The next prime is 331245209. The reversal of 331245200 is 2542133.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (331245209) 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, 54305 + ... + 60095.
Almost surely, 2331245200 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 331245200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467553408).
331245200 is an abundant number, since it is smaller than the sum of its proper divisors (603861616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331245200 is a wasteful number, since it uses less digits than its factorization.
331245200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5833 (or 5822 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 331245200 is about 18200.1428565822. The cubic root of 331245200 is about 691.9104097321.
Adding to 331245200 its reverse (2542133), we get a palindrome (333787333).
The spelling of 331245200 in words is "three hundred thirty-one million, two hundred forty-five thousand, two hundred".
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