Base | Representation |
---|---|
bin | 10001001100011… |
… | …11101101110000 |
3 | 101001102022222101 |
4 | 20212033231300 |
5 | 243411243233 |
6 | 22151350144 |
7 | 3401023120 |
oct | 1046175560 |
9 | 331368871 |
10 | 144243568 |
11 | 74470367 |
12 | 40382354 |
13 | 23b64a31 |
14 | 1522ac80 |
15 | c9e3c7d |
hex | 898fb70 |
144243568 has 40 divisors (see below), whose sum is σ = 321099488. Its totient is φ = 61489152.
The previous prime is 144243553. The next prime is 144243571. The reversal of 144243568 is 865342441.
144243568 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18280 + ... + 24952.
Almost surely, 2144243568 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 144243568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160549744).
144243568 is an abundant number, since it is smaller than the sum of its proper divisors (176855920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144243568 is a wasteful number, since it uses less digits than its factorization.
144243568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6881 (or 6875 counting only the distinct ones).
The product of its digits is 92160, while the sum is 37.
The square root of 144243568 is about 12010.1443788158. The cubic root of 144243568 is about 524.4436349429.
The spelling of 144243568 in words is "one hundred forty-four million, two hundred forty-three thousand, five hundred sixty-eight".
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