Base | Representation |
---|---|
bin | 10001001010101… |
… | …01101010110110 |
3 | 101000222020211200 |
4 | 20211111222312 |
5 | 243331141224 |
6 | 22142313330 |
7 | 3366013011 |
oct | 1045255266 |
9 | 330866750 |
10 | 144005814 |
11 | 74318777 |
12 | 40288846 |
13 | 23ab0754 |
14 | 151a8378 |
15 | c9985c9 |
hex | 8955ab6 |
144005814 has 12 divisors (see below), whose sum is σ = 312012636. Its totient is φ = 48001932.
The previous prime is 144005779. The next prime is 144005833. The reversal of 144005814 is 418500441.
It is a happy number.
144005814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4000144 + ... + 4000179.
It is an arithmetic number, because the mean of its divisors is an integer number (26001053).
Almost surely, 2144005814 is an apocalyptic number.
144005814 is an abundant number, since it is smaller than the sum of its proper divisors (168006822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144005814 is a wasteful number, since it uses less digits than its factorization.
144005814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8000331 (or 8000328 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 144005814 is about 12000.2422475548. The cubic root of 144005814 is about 524.1553329091.
The spelling of 144005814 in words is "one hundred forty-four million, five thousand, eight hundred fourteen".
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