Base | Representation |
---|---|
bin | 10000111100100… |
… | …101101001000000 |
3 | 201210222212100101 |
4 | 100330211221000 |
5 | 1040241141042 |
6 | 44113532144 |
7 | 10021444150 |
oct | 2074455100 |
9 | 653885311 |
10 | 284318272 |
11 | 136543587 |
12 | 7b274054 |
13 | 46b9a084 |
14 | 29a90760 |
15 | 19e626b7 |
hex | 10f25a40 |
284318272 has 112 divisors (see below), whose sum is σ = 690262272. Its totient is φ = 113541120.
The previous prime is 284318263. The next prime is 284318297. The reversal of 284318272 is 272813482.
It is a tau number, because it is divible by the number of its divisors (112).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422128 + ... + 422800.
It is an arithmetic number, because the mean of its divisors is an integer number (6163056).
Almost surely, 2284318272 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 284318272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345131136).
284318272 is an abundant number, since it is smaller than the sum of its proper divisors (405944000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
284318272 is a wasteful number, since it uses less digits than its factorization.
284318272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 756 (or 746 counting only the distinct ones).
The product of its digits is 43008, while the sum is 37.
The square root of 284318272 is about 16861.7398865004. The cubic root of 284318272 is about 657.5592987716.
It can be divided in two parts, 2843 and 18272, that added together give a triangular number (21115 = T205).
The spelling of 284318272 in words is "two hundred eighty-four million, three hundred eighteen thousand, two hundred seventy-two".
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