Base | Representation |
---|---|
bin | 10001001100010… |
… | …00001001001001 |
3 | 101001100202102200 |
4 | 20212020021021 |
5 | 243404300203 |
6 | 22150550413 |
7 | 3400533522 |
oct | 1046101111 |
9 | 331322380 |
10 | 144212553 |
11 | 7444a031 |
12 | 40368409 |
13 | 23b53894 |
14 | 1521d849 |
15 | c9d99a3 |
hex | 8988249 |
144212553 has 12 divisors (see below), whose sum is σ = 217364160. Its totient is φ = 91961496.
The previous prime is 144212503. The next prime is 144212557. The reversal of 144212553 is 355212441.
It is not a de Polignac number, because 144212553 - 28 = 144212297 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (144212557) 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, 348133 + ... + 348546.
It is an arithmetic number, because the mean of its divisors is an integer number (18113680).
Almost surely, 2144212553 is an apocalyptic number.
It is an amenable number.
144212553 is a deficient number, since it is larger than the sum of its proper divisors (73151607).
144212553 is a wasteful number, since it uses less digits than its factorization.
144212553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 696708 (or 696705 counting only the distinct ones).
The product of its digits is 4800, while the sum is 27.
The square root of 144212553 is about 12008.8531092690. The cubic root of 144212553 is about 524.4060439305.
Adding to 144212553 its reverse (355212441), we get a palindrome (499424994).
The spelling of 144212553 in words is "one hundred forty-four million, two hundred twelve thousand, five hundred fifty-three".
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