Base | Representation |
---|---|
bin | 10001010000010… |
… | …00100011000000 |
3 | 101002100110220001 |
4 | 20220020203000 |
5 | 244023112441 |
6 | 22210125344 |
7 | 3405154060 |
oct | 1050104300 |
9 | 332313801 |
10 | 144738496 |
11 | 747791a1 |
12 | 40580854 |
13 | 23ca90a6 |
14 | 153193a0 |
15 | ca90731 |
hex | 8a088c0 |
144738496 has 28 divisors (see below), whose sum is σ = 328247248. Its totient is φ = 62030592.
The previous prime is 144738491. The next prime is 144738497. The reversal of 144738496 is 694837441.
It is a tau number, because it is divible by the number of its divisors (28).
It is not an unprimeable number, because it can be changed into a prime (144738491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161091 + ... + 161986.
It is an arithmetic number, because the mean of its divisors is an integer number (11723116).
Almost surely, 2144738496 is an apocalyptic number.
144738496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
144738496 is an abundant number, since it is smaller than the sum of its proper divisors (183508752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144738496 is an equidigital number, since it uses as much as digits as its factorization.
144738496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 323096 (or 323086 counting only the distinct ones).
The product of its digits is 580608, while the sum is 46.
The square root of 144738496 is about 12030.7313160921. The cubic root of 144738496 is about 525.0427732346.
The spelling of 144738496 in words is "one hundred forty-four million, seven hundred thirty-eight thousand, four hundred ninety-six".
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