Base | Representation |
---|---|
bin | 10001000111001… |
… | …00011110011000 |
3 | 101000002200211121 |
4 | 20203210132120 |
5 | 243221322133 |
6 | 22124335024 |
7 | 3362042200 |
oct | 1043443630 |
9 | 330080747 |
10 | 143542168 |
11 | 740313a0 |
12 | 400a4474 |
13 | 2397a6c3 |
14 | 150c7400 |
15 | c90602d |
hex | 88e4798 |
143542168 has 48 divisors (see below), whose sum is σ = 341555400. Its totient is φ = 55923840.
The previous prime is 143542111. The next prime is 143542171. The reversal of 143542168 is 861245341.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12333 + ... + 20956.
Almost surely, 2143542168 is an apocalyptic number.
It is an amenable number.
143542168 is an abundant number, since it is smaller than the sum of its proper divisors (198013232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143542168 is a wasteful number, since it uses less digits than its factorization.
143542168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33320 (or 33309 counting only the distinct ones).
The product of its digits is 23040, while the sum is 34.
The square root of 143542168 is about 11980.9084797439. The cubic root of 143542168 is about 523.5921986884.
The spelling of 143542168 in words is "one hundred forty-three million, five hundred forty-two thousand, one hundred sixty-eight".
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