Base | Representation |
---|---|
bin | 10001001100000… |
… | …00001010001001 |
3 | 101001022002120102 |
4 | 20212000022021 |
5 | 243402223344 |
6 | 22150135145 |
7 | 3400336262 |
oct | 1046001211 |
9 | 331262512 |
10 | 144179849 |
11 | 74427500 |
12 | 403514b5 |
13 | 23b41a28 |
14 | 15211969 |
15 | c9cee4e |
hex | 8980289 |
144179849 has 12 divisors (see below), whose sum is σ = 158857860. Its totient is φ = 130759200.
The previous prime is 144179831. The next prime is 144179863. The reversal of 144179849 is 948971441.
It can be written as a sum of positive squares in 2 ways, for example, as 106234249 + 37945600 = 10307^2 + 6160^2 .
It is not a de Polignac number, because 144179849 - 28 = 144179593 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144172849) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60419 + ... + 62759.
It is an arithmetic number, because the mean of its divisors is an integer number (13238155).
Almost surely, 2144179849 is an apocalyptic number.
It is an amenable number.
144179849 is a deficient number, since it is larger than the sum of its proper divisors (14678011).
144179849 is a wasteful number, since it uses less digits than its factorization.
144179849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2872 (or 2861 counting only the distinct ones).
The product of its digits is 290304, while the sum is 47.
The square root of 144179849 is about 12007.4913699740. The cubic root of 144179849 is about 524.3663999664.
The spelling of 144179849 in words is "one hundred forty-four million, one hundred seventy-nine thousand, eight hundred forty-nine".
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