Base | Representation |
---|---|
bin | 10001010000110… |
… | …10010010001011 |
3 | 101002111011112211 |
4 | 20220122102023 |
5 | 244032424042 |
6 | 22211445551 |
7 | 3405605635 |
oct | 1050322213 |
9 | 332434484 |
10 | 144811147 |
11 | 74818838 |
12 | 405b68b7 |
13 | 24003190 |
14 | 15337a55 |
15 | caa7017 |
hex | 8a1a48b |
144811147 has 8 divisors (see below), whose sum is σ = 156094400. Its totient is φ = 133548480.
The previous prime is 144811129. The next prime is 144811189. The reversal of 144811147 is 741118441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144811147 - 211 = 144809099 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144814147) 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, 11479 + ... + 20527.
It is an arithmetic number, because the mean of its divisors is an integer number (19511800).
Almost surely, 2144811147 is an apocalyptic number.
144811147 is a deficient number, since it is larger than the sum of its proper divisors (11283253).
144811147 is a wasteful number, since it uses less digits than its factorization.
144811147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10293.
The product of its digits is 3584, while the sum is 31.
The square root of 144811147 is about 12033.7503298016. The cubic root of 144811147 is about 525.1306063569.
Adding to 144811147 its reverse (741118441), we get a palindrome (885929588).
The spelling of 144811147 in words is "one hundred forty-four million, eight hundred eleven thousand, one hundred forty-seven".
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