Base | Representation |
---|---|
bin | 10000110000000… |
… | …001001110001000 |
3 | 201120210110120220 |
4 | 100300001032020 |
5 | 1033420221433 |
6 | 43515150040 |
7 | 6651442053 |
oct | 2060011610 |
9 | 646713526 |
10 | 281023368 |
11 | 1346a301a |
12 | 7a145320 |
13 | 462b5422 |
14 | 29473a9a |
15 | 19a112b3 |
hex | 10c01388 |
281023368 has 16 divisors (see below), whose sum is σ = 702558480. Its totient is φ = 93674448.
The previous prime is 281023367. The next prime is 281023403. The reversal of 281023368 is 863320182.
281023368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (281023367) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5854630 + ... + 5854677.
It is an arithmetic number, because the mean of its divisors is an integer number (43909905).
Almost surely, 2281023368 is an apocalyptic number.
It is an amenable number.
281023368 is an abundant number, since it is smaller than the sum of its proper divisors (421535112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
281023368 is a wasteful number, since it uses less digits than its factorization.
281023368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11709316 (or 11709312 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 281023368 is about 16763.7516087539. The cubic root of 281023368 is about 655.0093178948.
The spelling of 281023368 in words is "two hundred eighty-one million, twenty-three thousand, three hundred sixty-eight".
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