Base | Representation |
---|---|
bin | 10001000100110… |
… | …00010010010100 |
3 | 100222111211202112 |
4 | 20202120102110 |
5 | 243131330400 |
6 | 22113530152 |
7 | 3356302316 |
oct | 1042302224 |
9 | 328454675 |
10 | 143230100 |
11 | 73938992 |
12 | 3bb73958 |
13 | 2389b650 |
14 | 150457b6 |
15 | c893835 |
hex | 8898494 |
143230100 has 72 divisors (see below), whose sum is σ = 354461688. Its totient is φ = 49766400.
The previous prime is 143230091. The next prime is 143230123. The reversal of 143230100 is 1032341.
It can be written as a sum of positive squares in 12 ways, for example, as 12630916 + 130599184 = 3554^2 + 11428^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18860 + ... + 25340.
It is an arithmetic number, because the mean of its divisors is an integer number (4923079).
Almost surely, 2143230100 is an apocalyptic number.
143230100 is a gapful number since it is divisible by the number (10) 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 143230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177230844).
143230100 is an abundant number, since it is smaller than the sum of its proper divisors (211231588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143230100 is a wasteful number, since it uses less digits than its factorization.
143230100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6525 (or 6518 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 143230100 is about 11967.8778402856. The cubic root of 143230100 is about 523.2124846610.
Adding to 143230100 its reverse (1032341), we get a palindrome (144262441).
The spelling of 143230100 in words is "one hundred forty-three million, two hundred thirty thousand, one hundred".
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