Base | Representation |
---|---|
bin | 10001001100001… |
… | …11100111100100 |
3 | 101001100122111002 |
4 | 20212013213210 |
5 | 243404213104 |
6 | 22150532432 |
7 | 3400524332 |
oct | 1046074744 |
9 | 331318432 |
10 | 144210404 |
11 | 74448458 |
12 | 40367118 |
13 | 23b52900 |
14 | 1521cb52 |
15 | c9d901e |
hex | 89879e4 |
144210404 has 18 divisors (see below), whose sum is σ = 273275730. Its totient is φ = 66558336.
The previous prime is 144210401. The next prime is 144210413. The reversal of 144210404 is 404012441.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 5017600 + 139192804 = 2240^2 + 11798^2 .
It is not an unprimeable number, because it can be changed into a prime (144210401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105989 + ... + 107340.
It is an arithmetic number, because the mean of its divisors is an integer number (15181985).
Almost surely, 2144210404 is an apocalyptic number.
It is an amenable number.
144210404 is a deficient number, since it is larger than the sum of its proper divisors (129065326).
144210404 is a wasteful number, since it uses less digits than its factorization.
144210404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 213359 (or 213344 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 144210404 is about 12008.7636332805. The cubic root of 144210404 is about 524.4034390852.
Adding to 144210404 its reverse (404012441), we get a palindrome (548222845).
The spelling of 144210404 in words is "one hundred forty-four million, two hundred ten thousand, four hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •