Base | Representation |
---|---|
bin | 10001001100110… |
… | …01110110010000 |
3 | 101001111102220120 |
4 | 20212121312100 |
5 | 243414110242 |
6 | 22152310240 |
7 | 3401255121 |
oct | 1046316620 |
9 | 331442816 |
10 | 144285072 |
11 | 74499568 |
12 | 403a2380 |
13 | 23b7a8a9 |
14 | 1523c048 |
15 | ca011ec |
hex | 8999d90 |
144285072 has 40 divisors (see below), whose sum is σ = 388945344. Its totient is φ = 46003584.
The previous prime is 144285061. The next prime is 144285073. The reversal of 144285072 is 270582441.
It is not an unprimeable number, because it can be changed into a prime (144285073) 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, 64243 + ... + 66450.
Almost surely, 2144285072 is an apocalyptic number.
144285072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
144285072 is an abundant number, since it is smaller than the sum of its proper divisors (244660272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144285072 is a wasteful number, since it uses less digits than its factorization.
144285072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130727 (or 130721 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 33.
The square root of 144285072 is about 12011.8721271915. The cubic root of 144285072 is about 524.4939304757.
The spelling of 144285072 in words is "one hundred forty-four million, two hundred eighty-five thousand, seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •