Base | Representation |
---|---|
bin | 10001001100101… |
… | …11100000000000 |
3 | 101001110221201102 |
4 | 20212113200000 |
5 | 243413303311 |
6 | 22152153532 |
7 | 3401215103 |
oct | 1046274000 |
9 | 331427642 |
10 | 144275456 |
11 | 74492316 |
12 | 403988a8 |
13 | 23b763c0 |
14 | 1523873a |
15 | c9ed43b |
hex | 8997800 |
144275456 has 48 divisors (see below), whose sum is σ = 310728600. Its totient is φ = 66576384.
The previous prime is 144275441. The next prime is 144275471. The reversal of 144275456 is 654572441.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (144275441) and next prime (144275471).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23915 + ... + 29333.
Almost surely, 2144275456 is an apocalyptic number.
144275456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144275456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155364300).
144275456 is an abundant number, since it is smaller than the sum of its proper divisors (166453144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144275456 is an equidigital number, since it uses as much as digits as its factorization.
144275456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5454 (or 5434 counting only the distinct ones).
The product of its digits is 134400, while the sum is 38.
The square root of 144275456 is about 12011.4718498609. The cubic root of 144275456 is about 524.4822784371.
The spelling of 144275456 in words is "one hundred forty-four million, two hundred seventy-five thousand, four hundred fifty-six".
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