Base | Representation |
---|---|
bin | 10001001010101… |
… | …00101101100000 |
3 | 101000222001110021 |
4 | 20211110231200 |
5 | 243331030023 |
6 | 22142243224 |
7 | 3365665402 |
oct | 1045245540 |
9 | 330861407 |
10 | 144001888 |
11 | 74315828 |
12 | 40286514 |
13 | 23aaba24 |
14 | 151a6b72 |
15 | c99735d |
hex | 8954b60 |
144001888 has 24 divisors (see below), whose sum is σ = 284042808. Its totient is φ = 71864064.
The previous prime is 144001867. The next prime is 144001909. The reversal of 144001888 is 888100441.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (144001867) and next prime (144001909).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14020 + ... + 22012.
It is an arithmetic number, because the mean of its divisors is an integer number (11835117).
Almost surely, 2144001888 is an apocalyptic number.
It is an amenable number.
144001888 is a deficient number, since it is larger than the sum of its proper divisors (140040920).
144001888 is an equidigital number, since it uses as much as digits as its factorization.
144001888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8566 (or 8558 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 34.
The square root of 144001888 is about 12000.0786664088. The cubic root of 144001888 is about 524.1505695539.
The spelling of 144001888 in words is "one hundred forty-four million, one thousand, eight hundred eighty-eight".
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