Base | Representation |
---|---|
bin | 10001000110010… |
… | …00101001010000 |
3 | 100222212220110200 |
4 | 20203020221100 |
5 | 243204200201 |
6 | 22122055200 |
7 | 3361055643 |
oct | 1043105120 |
9 | 328786420 |
10 | 143428176 |
11 | 73a63791 |
12 | 4004a500 |
13 | 2393a858 |
14 | 15097a5a |
15 | c8d2386 |
hex | 88c8a50 |
143428176 has 60 divisors (see below), whose sum is σ = 408995028. Its totient is φ = 46904832.
The previous prime is 143428163. The next prime is 143428183. The reversal of 143428176 is 671824341.
It can be written as a sum of positive squares in 2 ways, for example, as 104040000 + 39388176 = 10200^2 + 6276^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 143428176.
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, 1765 + ... + 17028.
Almost surely, 2143428176 is an apocalyptic number.
143428176 is a gapful number since it is divisible by the number (16) 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 143428176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204497514).
143428176 is an abundant number, since it is smaller than the sum of its proper divisors (265566852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143428176 is a wasteful number, since it uses less digits than its factorization.
143428176 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18860 (or 18851 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 143428176 is about 11976.1502996581. The cubic root of 143428176 is about 523.4535608485.
The spelling of 143428176 in words is "one hundred forty-three million, four hundred twenty-eight thousand, one hundred seventy-six".
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