Base | Representation |
---|---|
bin | 10001000011001… |
… | …00101110110000 |
3 | 100222010010002100 |
4 | 20201210232300 |
5 | 243103101203 |
6 | 22105220400 |
7 | 3354432543 |
oct | 1041445660 |
9 | 328103070 |
10 | 143018928 |
11 | 73804268 |
12 | 3ba91700 |
13 | 238264b0 |
14 | 14dcc85a |
15 | c850ea3 |
hex | 8864bb0 |
143018928 has 120 divisors (see below), whose sum is σ = 453842480. Its totient is φ = 41679360.
The previous prime is 143018881. The next prime is 143018933. The reversal of 143018928 is 829810341.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 143018892 and 143018901.
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 23 ways as a sum of consecutive naturals, for example, 33558 + ... + 37578.
Almost surely, 2143018928 is an apocalyptic number.
143018928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143018928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226921240).
143018928 is an abundant number, since it is smaller than the sum of its proper divisors (310823552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143018928 is a wasteful number, since it uses less digits than its factorization.
143018928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4067 (or 4058 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 143018928 is about 11959.0521363526. The cubic root of 143018928 is about 522.9552245581.
The spelling of 143018928 in words is "one hundred forty-three million, eighteen thousand, nine hundred twenty-eight".
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