Base | Representation |
---|---|
bin | 10001001011101… |
… | …00010010101100 |
3 | 101001012121220020 |
4 | 20211310102230 |
5 | 243344144434 |
6 | 22145122140 |
7 | 3400044465 |
oct | 1045642254 |
9 | 331177806 |
10 | 144131244 |
11 | 743a3a34 |
12 | 40329350 |
13 | 23b2587a |
14 | 151dbd6c |
15 | c9c0849 |
hex | 89744ac |
144131244 has 12 divisors (see below), whose sum is σ = 336306264. Its totient is φ = 48043744.
The previous prime is 144131213. The next prime is 144131257. The reversal of 144131244 is 442131441.
It is a tau number, because it is divible by the number of its divisors (12).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6005457 + ... + 6005480.
It is an arithmetic number, because the mean of its divisors is an integer number (28025522).
Almost surely, 2144131244 is an apocalyptic number.
It is an amenable number.
144131244 is an abundant number, since it is smaller than the sum of its proper divisors (192175020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144131244 is a wasteful number, since it uses less digits than its factorization.
144131244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12010944 (or 12010942 counting only the distinct ones).
The product of its digits is 1536, while the sum is 24.
The square root of 144131244 is about 12005.4672545470. The cubic root of 144131244 is about 524.3074696476.
Adding to 144131244 its reverse (442131441), we get a palindrome (586262685).
The spelling of 144131244 in words is "one hundred forty-four million, one hundred thirty-one thousand, two hundred forty-four".
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