Base | Representation |
---|---|
bin | 10001001011101… |
… | …11100010101000 |
3 | 101001020022011010 |
4 | 20211313202220 |
5 | 243400111202 |
6 | 22145303520 |
7 | 3400131336 |
oct | 1045674250 |
9 | 331208133 |
10 | 144144552 |
11 | 74402a32 |
12 | 40334ba0 |
13 | 23b2b946 |
14 | 15202b56 |
15 | c9c476c |
hex | 89778a8 |
144144552 has 32 divisors (see below), whose sum is σ = 366472800. Its totient is φ = 47233344.
The previous prime is 144144551. The next prime is 144144571. The reversal of 144144552 is 255441441.
It is not an unprimeable number, because it can be changed into a prime (144144551) 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 7 ways as a sum of consecutive naturals, for example, 49483 + ... + 52314.
It is an arithmetic number, because the mean of its divisors is an integer number (11452275).
Almost surely, 2144144552 is an apocalyptic number.
144144552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
144144552 is an abundant number, since it is smaller than the sum of its proper divisors (222328248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144144552 is a wasteful number, since it uses less digits than its factorization.
144144552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101865 (or 101861 counting only the distinct ones).
The product of its digits is 12800, while the sum is 30.
The square root of 144144552 is about 12006.0214892361. The cubic root of 144144552 is about 524.3236060264.
Adding to 144144552 its reverse (255441441), we get a palindrome (399585993).
The spelling of 144144552 in words is "one hundred forty-four million, one hundred forty-four thousand, five hundred fifty-two".
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