Base | Representation |
---|---|
bin | 10001001011100… |
… | …10011000110001 |
3 | 101001012020012020 |
4 | 20211302120301 |
5 | 243343422231 |
6 | 22145022053 |
7 | 3400012650 |
oct | 1045623061 |
9 | 331166166 |
10 | 144123441 |
11 | 74399090 |
12 | 40324929 |
13 | 23b22157 |
14 | 151d9197 |
15 | c9bd396 |
hex | 8972631 |
144123441 has 32 divisors (see below), whose sum is σ = 242500608. Its totient is φ = 73957440.
The previous prime is 144123439. The next prime is 144123457. The reversal of 144123441 is 144321441.
It is not a de Polignac number, because 144123441 - 21 = 144123439 is a prime.
It is not an unprimeable number, because it can be changed into a prime (144123431) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15415 + ... + 22931.
It is an arithmetic number, because the mean of its divisors is an integer number (7578144).
Almost surely, 2144123441 is an apocalyptic number.
144123441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
144123441 is a deficient number, since it is larger than the sum of its proper divisors (98377167).
144123441 is a wasteful number, since it uses less digits than its factorization.
144123441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7621.
The product of its digits is 1536, while the sum is 24.
The square root of 144123441 is about 12005.1422732094. The cubic root of 144123441 is about 524.2980077967.
Adding to 144123441 its reverse (144321441), we get a palindrome (288444882).
The spelling of 144123441 in words is "one hundred forty-four million, one hundred twenty-three thousand, four hundred forty-one".
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