Base | Representation |
---|---|
bin | 11100111111001… |
… | …01100000000000 |
3 | 121221112212022020 |
4 | 32133211200000 |
5 | 444222123323 |
6 | 40043441440 |
7 | 6011556312 |
oct | 1637454000 |
9 | 557485266 |
10 | 243161088 |
11 | 115292585 |
12 | 69526280 |
13 | 3b4b9901 |
14 | 244197b2 |
15 | 16532ae3 |
hex | e7e5800 |
243161088 has 96 divisors (see below), whose sum is σ = 682718400. Its totient is φ = 76750848.
The previous prime is 243161063. The next prime is 243161089. The reversal of 243161088 is 880161342.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243161089) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115695 + ... + 117777.
It is an arithmetic number, because the mean of its divisors is an integer number (7111650).
Almost surely, 2243161088 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 243161088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341359200).
243161088 is an abundant number, since it is smaller than the sum of its proper divisors (439557312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243161088 is a wasteful number, since it uses less digits than its factorization.
243161088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2127 (or 2107 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 243161088 is about 15593.6233121106. The cubic root of 243161088 is about 624.1630080382.
The spelling of 243161088 in words is "two hundred forty-three million, one hundred sixty-one thousand, eighty-eight".
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