Base | Representation |
---|---|
bin | 10001001100001… |
… | …10011001111100 |
3 | 101001100101200002 |
4 | 20212012121330 |
5 | 243404033221 |
6 | 22150453432 |
7 | 3400504004 |
oct | 1046063174 |
9 | 331311602 |
10 | 144205436 |
11 | 74444751 |
12 | 40364278 |
13 | 23b5057b |
14 | 1521b004 |
15 | c9d780b |
hex | 898667c |
144205436 has 12 divisors (see below), whose sum is σ = 252914928. Its totient is φ = 71944032.
The previous prime is 144205417. The next prime is 144205463. The reversal of 144205436 is 634502441.
It is a junction number, because it is equal to n+sod(n) for n = 144205399 and 144205408.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 37616 + ... + 41271.
It is an arithmetic number, because the mean of its divisors is an integer number (21076244).
Almost surely, 2144205436 is an apocalyptic number.
It is an amenable number.
144205436 is a deficient number, since it is larger than the sum of its proper divisors (108709492).
144205436 is a wasteful number, since it uses less digits than its factorization.
144205436 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79348 (or 79346 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 29.
The square root of 144205436 is about 12008.5567825613. The cubic root of 144205436 is about 524.3974171752.
Adding to 144205436 its reverse (634502441), we get a palindrome (778707877).
The spelling of 144205436 in words is "one hundred forty-four million, two hundred five thousand, four hundred thirty-six".
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