Base | Representation |
---|---|
bin | 10001001100010… |
… | …11010111010000 |
3 | 101001101102112020 |
4 | 20212023113100 |
5 | 243410210434 |
6 | 22151131440 |
7 | 3400620135 |
oct | 1046132720 |
9 | 331342466 |
10 | 144225744 |
11 | 74458a33 |
12 | 40373b80 |
13 | 23b598a0 |
14 | 1522458c |
15 | c9dd849 |
hex | 898b5d0 |
144225744 has 40 divisors (see below), whose sum is σ = 401245152. Its totient is φ = 44376960.
The previous prime is 144225743. The next prime is 144225749. The reversal of 144225744 is 447522441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144225743) 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, 114942 + ... + 116189.
Almost surely, 2144225744 is an apocalyptic number.
It is an amenable number.
144225744 is an abundant number, since it is smaller than the sum of its proper divisors (257019408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144225744 is a wasteful number, since it uses less digits than its factorization.
144225744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231155 (or 231149 counting only the distinct ones).
The product of its digits is 35840, while the sum is 33.
The square root of 144225744 is about 12009.4023165185. The cubic root of 144225744 is about 524.4220324352.
The spelling of 144225744 in words is "one hundred forty-four million, two hundred twenty-five thousand, seven hundred forty-four".
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