Base | Representation |
---|---|
bin | 10001001111000… |
… | …00001000000000 |
3 | 101002001001202220 |
4 | 20213200020000 |
5 | 244002313203 |
6 | 22202411040 |
7 | 3403564263 |
oct | 1047401000 |
9 | 332031686 |
10 | 144572928 |
11 | 74675865 |
12 | 40500a80 |
13 | 23c4b916 |
14 | 152b4cda |
15 | ca5b653 |
hex | 89e0200 |
144572928 has 80 divisors (see below), whose sum is σ = 391718976. Its totient is φ = 47370240.
The previous prime is 144572891. The next prime is 144572993. The reversal of 144572928 is 829275441.
It is a self number, because there is not a number n which added to its sum of digits gives 144572928.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 92925 + ... + 94467.
Almost surely, 2144572928 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 144572928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195859488).
144572928 is an abundant number, since it is smaller than the sum of its proper divisors (247146048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144572928 is an equidigital number, since it uses as much as digits as its factorization.
144572928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1625 (or 1609 counting only the distinct ones).
The product of its digits is 161280, while the sum is 42.
The square root of 144572928 is about 12023.8483024363. The cubic root of 144572928 is about 524.8424960630.
The spelling of 144572928 in words is "one hundred forty-four million, five hundred seventy-two thousand, nine hundred twenty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •