Base | Representation |
---|---|
bin | 10001001011001… |
… | …10110000101011 |
3 | 101001002210212110 |
4 | 20211212300223 |
5 | 243340411234 |
6 | 22144013403 |
7 | 3366424056 |
oct | 1045466053 |
9 | 331083773 |
10 | 144075819 |
11 | 74366328 |
12 | 40301263 |
13 | 23b06584 |
14 | 151c5a9d |
15 | c9ae1e9 |
hex | 8966c2b |
144075819 has 8 divisors (see below), whose sum is σ = 193163152. Its totient is φ = 95519520.
The previous prime is 144075809. The next prime is 144075853. The reversal of 144075819 is 918570441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144075819 - 225 = 110521387 is a prime.
It is a super-2 number, since 2×1440758192 = 41515683241041522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144075809) 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, 132124 + ... + 133209.
It is an arithmetic number, because the mean of its divisors is an integer number (24145394).
Almost surely, 2144075819 is an apocalyptic number.
144075819 is a deficient number, since it is larger than the sum of its proper divisors (49087333).
144075819 is a wasteful number, since it uses less digits than its factorization.
144075819 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 265517.
The product of its (nonzero) digits is 40320, while the sum is 39.
The square root of 144075819 is about 12003.1587092732. The cubic root of 144075819 is about 524.2402543642.
The spelling of 144075819 in words is "one hundred forty-four million, seventy-five thousand, eight hundred nineteen".
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