Base | Representation |
---|---|
bin | 10001010000000… |
… | …01111001001010 |
3 | 101002022002111122 |
4 | 20220001321022 |
5 | 244021224432 |
6 | 22205355242 |
7 | 3405011444 |
oct | 1050017112 |
9 | 332262448 |
10 | 144711242 |
11 | 7475a775 |
12 | 40568b22 |
13 | 23c99870 |
14 | 1530d494 |
15 | ca87612 |
hex | 8a01e4a |
144711242 has 16 divisors (see below), whose sum is σ = 247515912. Its totient is φ = 62860800.
The previous prime is 144711209. The next prime is 144711257. The reversal of 144711242 is 242117441.
144711242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 104019601 + 40691641 = 10199^2 + 6379^2 .
It is a super-2 number, since 2×1447112422 = 41882687122365128, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163259 + ... + 164142.
Almost surely, 2144711242 is an apocalyptic number.
144711242 is a deficient number, since it is larger than the sum of its proper divisors (102804670).
144711242 is a wasteful number, since it uses less digits than its factorization.
144711242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 327433.
The product of its digits is 1792, while the sum is 26.
The square root of 144711242 is about 12029.5985801688. The cubic root of 144711242 is about 525.0098162942.
Adding to 144711242 its reverse (242117441), we get a palindrome (386828683).
The spelling of 144711242 in words is "one hundred forty-four million, seven hundred eleven thousand, two hundred forty-two".
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