Base | Representation |
---|---|
bin | 10001001110000… |
… | …10010100000111 |
3 | 101001210212021111 |
4 | 20213002110013 |
5 | 243434411243 |
6 | 22200025451 |
7 | 3402545266 |
oct | 1047022407 |
9 | 331725244 |
10 | 144450823 |
11 | 745a2050 |
12 | 40462287 |
13 | 23c0817a |
14 | 152825dd |
15 | ca3539d |
hex | 89c2507 |
144450823 has 8 divisors (see below), whose sum is σ = 157829760. Its totient is φ = 131113080.
The previous prime is 144450799. The next prime is 144450829. The reversal of 144450823 is 328054441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-144450823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144450829) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715 + ... + 17212.
It is an arithmetic number, because the mean of its divisors is an integer number (19728720).
Almost surely, 2144450823 is an apocalyptic number.
144450823 is a deficient number, since it is larger than the sum of its proper divisors (13378937).
144450823 is a wasteful number, since it uses less digits than its factorization.
144450823 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20597.
The product of its (nonzero) digits is 15360, while the sum is 31.
The square root of 144450823 is about 12018.7696125685. The cubic root of 144450823 is about 524.6946953545.
The spelling of 144450823 in words is "one hundred forty-four million, four hundred fifty thousand, eight hundred twenty-three".
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