Base | Representation |
---|---|
bin | 10001001101000… |
… | …00011011010111 |
3 | 101001112210212202 |
4 | 20212200123113 |
5 | 243420441043 |
6 | 22153035115 |
7 | 3401426522 |
oct | 1046403327 |
9 | 331483782 |
10 | 144312023 |
11 | 74507839 |
12 | 403b5a9b |
13 | 23b89c3b |
14 | 15247bb9 |
15 | ca091b8 |
hex | 89a06d7 |
144312023 has 4 divisors (see below), whose sum is σ = 144344640. Its totient is φ = 144279408.
The previous prime is 144312019. The next prime is 144312061. The reversal of 144312023 is 320213441.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 144312023 - 22 = 144312019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 144311986 and 144312004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144612023) 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 in 3 ways as a sum of consecutive naturals, for example, 8390 + ... + 18947.
It is an arithmetic number, because the mean of its divisors is an integer number (36086160).
Almost surely, 2144312023 is an apocalyptic number.
144312023 is a deficient number, since it is larger than the sum of its proper divisors (32617).
144312023 is an equidigital number, since it uses as much as digits as its factorization.
144312023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32616.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 144312023 is about 12012.9939232483. The cubic root of 144312023 is about 524.5265851726.
Adding to 144312023 its reverse (320213441), we get a palindrome (464525464).
The spelling of 144312023 in words is "one hundred forty-four million, three hundred twelve thousand, twenty-three".
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