Base | Representation |
---|---|
bin | 10001001110000… |
… | …00100000100000 |
3 | 101001210111010110 |
4 | 20213000200200 |
5 | 243434142144 |
6 | 22155531320 |
7 | 3402514566 |
oct | 1047004040 |
9 | 331714113 |
10 | 144443424 |
11 | 74597534 |
12 | 40459b40 |
13 | 23c049a8 |
14 | 1527da36 |
15 | ca330b9 |
hex | 89c0820 |
144443424 has 96 divisors (see below), whose sum is σ = 407768256. Its totient is φ = 44605440.
The previous prime is 144443419. The next prime is 144443443. The reversal of 144443424 is 424344441.
It is a tau number, because it is divible by the number of its divisors (96).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 144443391 and 144443400.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108684 + ... + 110004.
It is an arithmetic number, because the mean of its divisors is an integer number (4247586).
Almost surely, 2144443424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144443424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203884128).
144443424 is an abundant number, since it is smaller than the sum of its proper divisors (263324832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144443424 is a wasteful number, since it uses less digits than its factorization.
144443424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1418 (or 1410 counting only the distinct ones).
The product of its digits is 24576, while the sum is 30.
The square root of 144443424 is about 12018.4617984166. The cubic root of 144443424 is about 524.6857366370.
Adding to 144443424 its reverse (424344441), we get a palindrome (568787865).
The spelling of 144443424 in words is "one hundred forty-four million, four hundred forty-three thousand, four hundred twenty-four".
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