Base | Representation |
---|---|
bin | 10001001100101… |
… | …11100101101000 |
3 | 101001110222012202 |
4 | 20212113211220 |
5 | 243413311231 |
6 | 22152155332 |
7 | 3401216126 |
oct | 1046274550 |
9 | 331428182 |
10 | 144275816 |
11 | 74492613 |
12 | 40398b48 |
13 | 23b76609 |
14 | 15238916 |
15 | c9ed5cb |
hex | 8997968 |
144275816 has 24 divisors (see below), whose sum is σ = 285509970. Its totient is φ = 68339808.
The previous prime is 144275777. The next prime is 144275863. The reversal of 144275816 is 618572441.
144275816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 134328100 + 9947716 = 11590^2 + 3154^2 .
It is a super-2 number, since 2×1442758162 = 41631022164931712, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a self number, because there is not a number n which added to its sum of digits gives 144275816.
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 5 ways as a sum of consecutive naturals, for example, 22091 + ... + 27866.
Almost surely, 2144275816 is an apocalyptic number.
It is an amenable number.
144275816 is a deficient number, since it is larger than the sum of its proper divisors (141234154).
144275816 is a wasteful number, since it uses less digits than its factorization.
144275816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50001 (or 49978 counting only the distinct ones).
The product of its digits is 53760, while the sum is 38.
The square root of 144275816 is about 12011.4868355254. The cubic root of 144275816 is about 524.4827146708.
The spelling of 144275816 in words is "one hundred forty-four million, two hundred seventy-five thousand, eight hundred sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •