Base | Representation |
---|---|
bin | 10001001101101… |
… | …10111011110011 |
3 | 101001201111100010 |
4 | 20212312323303 |
5 | 243431413321 |
6 | 22155030003 |
7 | 3402262350 |
oct | 1046667363 |
9 | 331644303 |
10 | 144404211 |
11 | 74570026 |
12 | 4043b303 |
13 | 23bbcba3 |
14 | 1526d627 |
15 | ca26676 |
hex | 89b6ef3 |
144404211 has 16 divisors (see below), whose sum is σ = 223776000. Its totient is φ = 81117408.
The previous prime is 144404177. The next prime is 144404219. The reversal of 144404211 is 112404441.
It is not a de Polignac number, because 144404211 - 27 = 144404083 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (144404219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57036 + ... + 59513.
It is an arithmetic number, because the mean of its divisors is an integer number (13986000).
Almost surely, 2144404211 is an apocalyptic number.
144404211 is a deficient number, since it is larger than the sum of its proper divisors (79371789).
144404211 is a wasteful number, since it uses less digits than its factorization.
144404211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116618.
The product of its (nonzero) digits is 512, while the sum is 21.
The square root of 144404211 is about 12016.8303225102. The cubic root of 144404211 is about 524.6382523849.
Adding to 144404211 its reverse (112404441), we get a palindrome (256808652).
The spelling of 144404211 in words is "one hundred forty-four million, four hundred four thousand, two hundred eleven".
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