Base | Representation |
---|---|
bin | 10001001110101… |
… | …01101101001001 |
3 | 101001221220020012 |
4 | 20213111231021 |
5 | 243444431444 |
6 | 22201441305 |
7 | 3403325663 |
oct | 1047255511 |
9 | 331856205 |
10 | 144530249 |
11 | 74646796 |
12 | 404a0235 |
13 | 23c35376 |
14 | 152a3533 |
15 | ca4db9e |
hex | 89d5b49 |
144530249 has 2 divisors, whose sum is σ = 144530250. Its totient is φ = 144530248.
The previous prime is 144530233. The next prime is 144530261. The reversal of 144530249 is 942035441.
144530249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 129846025 + 14684224 = 11395^2 + 3832^2 .
It is a cyclic number.
It is not a de Polignac number, because 144530249 - 24 = 144530233 is a prime.
It is not a weakly prime, because it can be changed into another prime (144538249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72265124 + 72265125.
It is an arithmetic number, because the mean of its divisors is an integer number (72265125).
Almost surely, 2144530249 is an apocalyptic number.
It is an amenable number.
144530249 is a deficient number, since it is larger than the sum of its proper divisors (1).
144530249 is an equidigital number, since it uses as much as digits as its factorization.
144530249 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17280, while the sum is 32.
The square root of 144530249 is about 12022.0734068629. The cubic root of 144530249 is about 524.7908451817.
The spelling of 144530249 in words is "one hundred forty-four million, five hundred thirty thousand, two hundred forty-nine".
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