Base | Representation |
---|---|
bin | 10001010001111… |
… | …11101101001011 |
3 | 101002202221210212 |
4 | 20220333231023 |
5 | 244102330202 |
6 | 22215031335 |
7 | 3410114546 |
oct | 1050775513 |
9 | 332687725 |
10 | 144964427 |
11 | 74912a13 |
12 | 4066b54b |
13 | 24057b8a |
14 | 1537785d |
15 | cad7652 |
hex | 8a3fb4b |
144964427 has 2 divisors, whose sum is σ = 144964428. Its totient is φ = 144964426.
The previous prime is 144964411. The next prime is 144964439. The reversal of 144964427 is 724469441.
It is a strong prime.
It is an emirp because it is prime and its reverse (724469441) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 144964427 - 24 = 144964411 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (144964327) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72482213 + 72482214.
It is an arithmetic number, because the mean of its divisors is an integer number (72482214).
Almost surely, 2144964427 is an apocalyptic number.
144964427 is a deficient number, since it is larger than the sum of its proper divisors (1).
144964427 is an equidigital number, since it uses as much as digits as its factorization.
144964427 is an evil number, because the sum of its binary digits is even.
The product of its digits is 193536, while the sum is 41.
The square root of 144964427 is about 12040.1173997599. The cubic root of 144964427 is about 525.3158214639.
The spelling of 144964427 in words is "one hundred forty-four million, nine hundred sixty-four thousand, four hundred twenty-seven".
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