Base | Representation |
---|---|
bin | 10001000100100… |
… | …01010001101100 |
3 | 100222110101101010 |
4 | 20202101101230 |
5 | 243124421023 |
6 | 22113145220 |
7 | 3356122521 |
oct | 1042212154 |
9 | 328411333 |
10 | 143201388 |
11 | 73919360 |
12 | 3bb5b210 |
13 | 2388b565 |
14 | 15039148 |
15 | c88a093 |
hex | 889146c |
143201388 has 24 divisors (see below), whose sum is σ = 364512960. Its totient is φ = 43394320.
The previous prime is 143201371. The next prime is 143201413. The reversal of 143201388 is 883102341.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542298 + ... + 542561.
It is an arithmetic number, because the mean of its divisors is an integer number (15188040).
Almost surely, 2143201388 is an apocalyptic number.
It is an amenable number.
143201388 is an abundant number, since it is smaller than the sum of its proper divisors (221311572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143201388 is a wasteful number, since it uses less digits than its factorization.
143201388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1084877 (or 1084875 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
The square root of 143201388 is about 11966.6782358347. The cubic root of 143201388 is about 523.1775211517.
The spelling of 143201388 in words is "one hundred forty-three million, two hundred one thousand, three hundred eighty-eight".
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