Base | Representation |
---|---|
bin | 10001000011110… |
… | …00100010000000 |
3 | 100222021020100012 |
4 | 20201320202000 |
5 | 243113200112 |
6 | 22111044052 |
7 | 3355221155 |
oct | 1041704200 |
9 | 328236305 |
10 | 143100032 |
11 | 7385a199 |
12 | 3bb10628 |
13 | 2385439a |
14 | 1501022c |
15 | c86a022 |
hex | 8878880 |
143100032 has 32 divisors (see below), whose sum is σ = 287930700. Its totient is φ = 70835200.
The previous prime is 143100011. The next prime is 143100049. The reversal of 143100032 is 230001341.
It can be written as a sum of positive squares in 2 ways, for example, as 142659136 + 440896 = 11944^2 + 664^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a zygodrome in base 7.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7394 + ... + 18462.
Almost surely, 2143100032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143100032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143965350).
143100032 is an abundant number, since it is smaller than the sum of its proper divisors (144830668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143100032 is a wasteful number, since it uses less digits than its factorization.
143100032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11184 (or 11172 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 143100032 is about 11962.4425599457. The cubic root of 143100032 is about 523.0540593680.
Adding to 143100032 its reverse (230001341), we get a palindrome (373101373).
The spelling of 143100032 in words is "one hundred forty-three million, one hundred thousand, thirty-two".
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