Base | Representation |
---|---|
bin | 10001001100011… |
… | …11110100111001 |
3 | 101001102100121022 |
4 | 20212033310321 |
5 | 243411302100 |
6 | 22151352225 |
7 | 3401024342 |
oct | 1046176471 |
9 | 331370538 |
10 | 144244025 |
11 | 74470742 |
12 | 40382675 |
13 | 23b64cc3 |
14 | 1522b0c9 |
15 | c9e3e85 |
hex | 898fd39 |
144244025 has 12 divisors (see below), whose sum is σ = 180537552. Its totient is φ = 114314640.
The previous prime is 144244021. The next prime is 144244033. The reversal of 144244025 is 520442441.
It is not a de Polignac number, because 144244025 - 22 = 144244021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144243985 and 144244003.
It is not an unprimeable number, because it can be changed into a prime (144244021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24287 + ... + 29636.
It is an arithmetic number, because the mean of its divisors is an integer number (15044796).
Almost surely, 2144244025 is an apocalyptic number.
It is an amenable number.
144244025 is a deficient number, since it is larger than the sum of its proper divisors (36293527).
144244025 is a wasteful number, since it uses less digits than its factorization.
144244025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54040 (or 54035 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 26.
The square root of 144244025 is about 12010.1634043838. The cubic root of 144244025 is about 524.4441887989. Note that the first 3 decimals are identical.
Adding to 144244025 its reverse (520442441), we get a palindrome (664686466).
The spelling of 144244025 in words is "one hundred forty-four million, two hundred forty-four thousand, twenty-five".
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