Base | Representation |
---|---|
bin | 10001001101100… |
… | …11000111001001 |
3 | 101001200200212012 |
4 | 20212303013021 |
5 | 243430413203 |
6 | 22154425305 |
7 | 3402165611 |
oct | 1046630711 |
9 | 331620765 |
10 | 144388553 |
11 | 7455a291 |
12 | 40432235 |
13 | 23bb5a1a |
14 | 15267a41 |
15 | ca21bd8 |
hex | 89b31c9 |
144388553 has 2 divisors, whose sum is σ = 144388554. Its totient is φ = 144388552.
The previous prime is 144388523. The next prime is 144388567. The reversal of 144388553 is 355883441.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 127057984 + 17330569 = 11272^2 + 4163^2 .
It is a cyclic number.
It is not a de Polignac number, because 144388553 - 226 = 77279689 is a prime.
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 144388553.
It is not a weakly prime, because it can be changed into another prime (144388523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72194276 + 72194277.
It is an arithmetic number, because the mean of its divisors is an integer number (72194277).
Almost surely, 2144388553 is an apocalyptic number.
It is an amenable number.
144388553 is a deficient number, since it is larger than the sum of its proper divisors (1).
144388553 is an equidigital number, since it uses as much as digits as its factorization.
144388553 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 230400, while the sum is 41.
The square root of 144388553 is about 12016.1788019320. The cubic root of 144388553 is about 524.6192892198.
The spelling of 144388553 in words is "one hundred forty-four million, three hundred eighty-eight thousand, five hundred fifty-three".
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