Base | Representation |
---|---|
bin | 10001001100011… |
… | …11111001010111 |
3 | 101001102100222220 |
4 | 20212033321113 |
5 | 243411304221 |
6 | 22151353423 |
7 | 3401025231 |
oct | 1046177127 |
9 | 331370886 |
10 | 144244311 |
11 | 74470982 |
12 | 40382873 |
13 | 23b65183 |
14 | 1522b251 |
15 | c9e40c6 |
hex | 898fe57 |
144244311 has 8 divisors (see below), whose sum is σ = 192829440. Its totient is φ = 95911032.
The previous prime is 144244301. The next prime is 144244313. The reversal of 144244311 is 113442441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 144244311 - 25 = 144244279 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144244313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61621 + ... + 63918.
It is an arithmetic number, because the mean of its divisors is an integer number (24103680).
Almost surely, 2144244311 is an apocalyptic number.
144244311 is a deficient number, since it is larger than the sum of its proper divisors (48585129).
144244311 is a wasteful number, since it uses less digits than its factorization.
144244311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125925.
The product of its digits is 1536, while the sum is 24.
The square root of 144244311 is about 12010.1753109603. The cubic root of 144244311 is about 524.4445354128. Note that the first 3 decimals are identical.
Adding to 144244311 its reverse (113442441), we get a palindrome (257686752).
It can be divided in two parts, 1442 and 44311, that added together give a triangular number (45753 = T302).
The spelling of 144244311 in words is "one hundred forty-four million, two hundred forty-four thousand, three hundred eleven".
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