Base | Representation |
---|---|
bin | 10001001110001… |
… | …00101000101011 |
3 | 101001211100022122 |
4 | 20213010220223 |
5 | 243440212311 |
6 | 22200141455 |
7 | 3402615101 |
oct | 1047045053 |
9 | 331740278 |
10 | 144460331 |
11 | 745a9204 |
12 | 4046788b |
13 | 23c0c5b2 |
14 | 15285c71 |
15 | ca380db |
hex | 89c4a2b |
144460331 has 2 divisors, whose sum is σ = 144460332. Its totient is φ = 144460330.
The previous prime is 144460313. The next prime is 144460333. The reversal of 144460331 is 133064441.
Together with previous prime (144460313) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 144460331 - 226 = 77351467 is a prime.
It is a super-2 number, since 2×1444603312 = 41737574465259122, which contains 22 as substring.
Together with 144460333, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 144460331.
It is not a weakly prime, because it can be changed into another prime (144460333) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72230165 + 72230166.
It is an arithmetic number, because the mean of its divisors is an integer number (72230166).
Almost surely, 2144460331 is an apocalyptic number.
144460331 is a deficient number, since it is larger than the sum of its proper divisors (1).
144460331 is an equidigital number, since it uses as much as digits as its factorization.
144460331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 26.
The square root of 144460331 is about 12019.1651540363. The cubic root of 144460331 is about 524.7062072024.
The spelling of 144460331 in words is "one hundred forty-four million, four hundred sixty thousand, three hundred thirty-one".
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