Base | Representation |
---|---|
bin | 10001001011101… |
… | …00011000101101 |
3 | 101001012122102111 |
4 | 20211310120231 |
5 | 243344203004 |
6 | 22145124021 |
7 | 3400045555 |
oct | 1045643055 |
9 | 331178374 |
10 | 144131629 |
11 | 743a4254 |
12 | 40329611 |
13 | 23b25ab5 |
14 | 151dc165 |
15 | c9c0a04 |
hex | 897462d |
144131629 has 4 divisors (see below), whose sum is σ = 145956160. Its totient is φ = 142307100.
The previous prime is 144131623. The next prime is 144131641. The reversal of 144131629 is 926131441.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 144131629 - 211 = 144129581 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 144131629.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144131623) 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, 912147 + ... + 912304.
It is an arithmetic number, because the mean of its divisors is an integer number (36489040).
Almost surely, 2144131629 is an apocalyptic number.
It is an amenable number.
144131629 is a deficient number, since it is larger than the sum of its proper divisors (1824531).
144131629 is an equidigital number, since it uses as much as digits as its factorization.
144131629 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1824530.
The product of its digits is 5184, while the sum is 31.
The square root of 144131629 is about 12005.4832888976. The cubic root of 144131629 is about 524.3079364864.
The spelling of 144131629 in words is "one hundred forty-four million, one hundred thirty-one thousand, six hundred twenty-nine".
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