Base | Representation |
---|---|
bin | 10001000101100… |
… | …00110001110100 |
3 | 100222200221101002 |
4 | 20202300301310 |
5 | 243143033140 |
6 | 22120022432 |
7 | 3360200642 |
oct | 1042606164 |
9 | 328627332 |
10 | 143330420 |
11 | 739a72a2 |
12 | 40001a18 |
13 | 239051cc |
14 | 15070192 |
15 | c8b3415 |
hex | 88b0c74 |
143330420 has 24 divisors (see below), whose sum is σ = 305489184. Its totient is φ = 56475936.
The previous prime is 143330399. The next prime is 143330423. The reversal of 143330420 is 24033341.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 143330392 and 143330401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143330423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52142 + ... + 54821.
It is an arithmetic number, because the mean of its divisors is an integer number (12728716).
Almost surely, 2143330420 is an apocalyptic number.
143330420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143330420 is an abundant number, since it is smaller than the sum of its proper divisors (162158764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143330420 is a wasteful number, since it uses less digits than its factorization.
143330420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107039 (or 107037 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 143330420 is about 11972.0683258992. The cubic root of 143330420 is about 523.3346108218.
Adding to 143330420 its reverse (24033341), we get a palindrome (167363761).
The spelling of 143330420 in words is "one hundred forty-three million, three hundred thirty thousand, four hundred twenty".
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