Base | Representation |
---|---|
bin | 10001001110110… |
… | …01001000001110 |
3 | 101001222121110111 |
4 | 20213121020032 |
5 | 244000404040 |
6 | 22202030234 |
7 | 3403414603 |
oct | 1047311016 |
9 | 331877414 |
10 | 144544270 |
11 | 74656282 |
12 | 404a837a |
13 | 23c3b870 |
14 | 152a86aa |
15 | ca52dea |
hex | 89d920e |
144544270 has 64 divisors (see below), whose sum is σ = 293642496. Its totient is φ = 50872320.
The previous prime is 144544261. The next prime is 144544273. The reversal of 144544270 is 72445441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144544273) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250222 + ... + 250798.
It is an arithmetic number, because the mean of its divisors is an integer number (4588164).
Almost surely, 2144544270 is an apocalyptic number.
144544270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
144544270 is an abundant number, since it is smaller than the sum of its proper divisors (149098226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144544270 is a wasteful number, since it uses less digits than its factorization.
144544270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 685.
The product of its (nonzero) digits is 17920, while the sum is 31.
The square root of 144544270 is about 12022.6565284050. The cubic root of 144544270 is about 524.8078147655.
The spelling of 144544270 in words is "one hundred forty-four million, five hundred forty-four thousand, two hundred seventy".
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