Base | Representation |
---|---|
bin | 10001001010101… |
… | …11111110010001 |
3 | 101000222201210010 |
4 | 20211113332101 |
5 | 243331441444 |
6 | 22142425133 |
7 | 3366052350 |
oct | 1045277621 |
9 | 330881703 |
10 | 144015249 |
11 | 74324874 |
12 | 402921a9 |
13 | 23ab4b31 |
14 | 151ab997 |
15 | c99b2b9 |
hex | 8957f91 |
144015249 has 16 divisors (see below), whose sum is σ = 220595072. Its totient is φ = 81865728.
The previous prime is 144015241. The next prime is 144015253. The reversal of 144015249 is 942510441.
It is not a de Polignac number, because 144015249 - 23 = 144015241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144015241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13714 + ... + 21819.
It is an arithmetic number, because the mean of its divisors is an integer number (13787192).
Almost surely, 2144015249 is an apocalyptic number.
It is an amenable number.
144015249 is a deficient number, since it is larger than the sum of its proper divisors (76579823).
144015249 is a wasteful number, since it uses less digits than its factorization.
144015249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35736.
The product of its (nonzero) digits is 5760, while the sum is 30.
The square root of 144015249 is about 12000.6353581800. The cubic root of 144015249 is about 524.1667798950.
The spelling of 144015249 in words is "one hundred forty-four million, fifteen thousand, two hundred forty-nine".
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