Base | Representation |
---|---|
bin | 10001010000000… |
… | …01111110100101 |
3 | 101002022002222111 |
4 | 20220001332211 |
5 | 244021232324 |
6 | 22205401021 |
7 | 3405012451 |
oct | 1050017645 |
9 | 332262874 |
10 | 144711589 |
11 | 7475aa60 |
12 | 40569171 |
13 | 23c99a79 |
14 | 1530d661 |
15 | ca87794 |
hex | 8a01fa5 |
144711589 has 4 divisors (see below), whose sum is σ = 157867200. Its totient is φ = 131555980.
The previous prime is 144711527. The next prime is 144711629. The reversal of 144711589 is 985117441.
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 144711589 - 27 = 144711461 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144711989) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6577789 + ... + 6577810.
It is an arithmetic number, because the mean of its divisors is an integer number (39466800).
Almost surely, 2144711589 is an apocalyptic number.
It is an amenable number.
144711589 is a deficient number, since it is larger than the sum of its proper divisors (13155611).
144711589 is a wasteful number, since it uses less digits than its factorization.
144711589 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13155610.
The product of its digits is 40320, while the sum is 40.
The square root of 144711589 is about 12029.6130029191. The cubic root of 144711589 is about 525.0102359304.
The spelling of 144711589 in words is "one hundred forty-four million, seven hundred eleven thousand, five hundred eighty-nine".
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