Base | Representation |
---|---|
bin | 10001001100011… |
… | …00110010101000 |
3 | 101001101201112211 |
4 | 20212030302220 |
5 | 243410402332 |
6 | 22151214504 |
7 | 3400643161 |
oct | 1046146250 |
9 | 331351484 |
10 | 144231592 |
11 | 7446236a |
12 | 40377434 |
13 | 23b5c44b |
14 | 15226768 |
15 | c9e0447 |
hex | 898cca8 |
144231592 has 32 divisors (see below), whose sum is σ = 279924480. Its totient is φ = 69598080.
The previous prime is 144231583. The next prime is 144231599. The reversal of 144231592 is 295132441.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is not an unprimeable number, because it can be changed into a prime (144231599) 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, 139108 + ... + 140140.
It is an arithmetic number, because the mean of its divisors is an integer number (8747640).
Almost surely, 2144231592 is an apocalyptic number.
It is an amenable number.
144231592 is a deficient number, since it is larger than the sum of its proper divisors (135692888).
144231592 is a wasteful number, since it uses less digits than its factorization.
144231592 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1633 (or 1629 counting only the distinct ones).
The product of its digits is 8640, while the sum is 31.
The square root of 144231592 is about 12009.6457899473. The cubic root of 144231592 is about 524.4291203482.
The spelling of 144231592 in words is "one hundred forty-four million, two hundred thirty-one thousand, five hundred ninety-two".
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