Base | Representation |
---|---|
bin | 11101000000010… |
… | …00001100110000 |
3 | 121221211002021020 |
4 | 32200020030300 |
5 | 444241200331 |
6 | 40050455440 |
7 | 6013020552 |
oct | 1640101460 |
9 | 557732236 |
10 | 243303216 |
11 | 11537a342 |
12 | 69594580 |
13 | 3b539500 |
14 | 244554d2 |
15 | 1655ec96 |
hex | e808330 |
243303216 has 120 divisors (see below), whose sum is σ = 690290640. Its totient is φ = 73801728.
The previous prime is 243303211. The next prime is 243303239. The reversal of 243303216 is 612303342.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (243303211) 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, 721800 + ... + 722136.
It is an arithmetic number, because the mean of its divisors is an integer number (5752422).
Almost surely, 2243303216 is an apocalyptic number.
243303216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 243303216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345145320).
243303216 is an abundant number, since it is smaller than the sum of its proper divisors (446987424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243303216 is a wasteful number, since it uses less digits than its factorization.
243303216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 463 (or 444 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
The square root of 243303216 is about 15598.1798938209. The cubic root of 243303216 is about 624.2845924063.
Adding to 243303216 its reverse (612303342), we get a palindrome (855606558).
The spelling of 243303216 in words is "two hundred forty-three million, three hundred three thousand, two hundred sixteen".
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