Base | Representation |
---|---|
bin | 10001001100111… |
… | …00001100001111 |
3 | 101001111221002002 |
4 | 20212130030033 |
5 | 243414412141 |
6 | 22152422515 |
7 | 3401325113 |
oct | 1046341417 |
9 | 331457062 |
10 | 144294671 |
11 | 744a57a4 |
12 | 403a7a3b |
13 | 23b82081 |
14 | 15241743 |
15 | ca03e9b |
hex | 899c30f |
144294671 has 4 divisors (see below), whose sum is σ = 144978744. Its totient is φ = 143610600.
The previous prime is 144294659. The next prime is 144294679. The reversal of 144294671 is 176492441.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176492441 = 349 ⋅505709.
It is a cyclic number.
It is not a de Polignac number, because 144294671 - 226 = 77185807 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144294679) 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 3 ways as a sum of consecutive naturals, for example, 341720 + ... + 342141.
It is an arithmetic number, because the mean of its divisors is an integer number (36244686).
Almost surely, 2144294671 is an apocalyptic number.
144294671 is a deficient number, since it is larger than the sum of its proper divisors (684073).
144294671 is an equidigital number, since it uses as much as digits as its factorization.
144294671 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 684072.
The product of its digits is 48384, while the sum is 38.
The square root of 144294671 is about 12012.2716835743. The cubic root of 144294671 is about 524.5055613985.
The spelling of 144294671 in words is "one hundred forty-four million, two hundred ninety-four thousand, six hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •