Base | Representation |
---|---|
bin | 10001001101100… |
… | …10111100110000 |
3 | 101001200122221120 |
4 | 20212302330300 |
5 | 243430403023 |
6 | 22154422240 |
7 | 3402163641 |
oct | 1046627460 |
9 | 331618846 |
10 | 144387888 |
11 | 74559837 |
12 | 40431980 |
13 | 23bb5628 |
14 | 152676c8 |
15 | ca218e3 |
hex | 89b2f30 |
144387888 has 40 divisors (see below), whose sum is σ = 373474608. Its totient is φ = 48068352.
The previous prime is 144387871. The next prime is 144387889. The reversal of 144387888 is 888783441.
144387888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1443878882 = 41695724402201088, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 144387888.
It is not an unprimeable number, because it can be changed into a prime (144387889) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52270 + ... + 54962.
Almost surely, 2144387888 is an apocalyptic number.
It is an amenable number.
144387888 is an abundant number, since it is smaller than the sum of its proper divisors (229086720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144387888 is a wasteful number, since it uses less digits than its factorization.
144387888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3821 (or 3815 counting only the distinct ones).
The product of its digits is 1376256, while the sum is 51.
The square root of 144387888 is about 12016.1511308738. The cubic root of 144387888 is about 524.6184838180.
The spelling of 144387888 in words is "one hundred forty-four million, three hundred eighty-seven thousand, eight hundred eighty-eight".
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