Base | Representation |
---|---|
bin | 10001000100100… |
… | …11111000001100 |
3 | 100222110220222210 |
4 | 20202103320030 |
5 | 243130241134 |
6 | 22113310420 |
7 | 3356165553 |
oct | 1042237014 |
9 | 328426883 |
10 | 143212044 |
11 | 73926368 |
12 | 3bb65410 |
13 | 23893371 |
14 | 1503cd9a |
15 | c88d2e9 |
hex | 8893e0c |
143212044 has 48 divisors (see below), whose sum is σ = 352714880. Its totient is φ = 45100800.
The previous prime is 143212037. The next prime is 143212049. The reversal of 143212044 is 440212341.
It is a self number, because there is not a number n which added to its sum of digits gives 143212044.
It is not an unprimeable number, because it can be changed into a prime (143212049) 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 15 ways as a sum of consecutive naturals, for example, 118644 + ... + 119844.
Almost surely, 2143212044 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 143212044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176357440).
143212044 is an abundant number, since it is smaller than the sum of its proper divisors (209502836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143212044 is a wasteful number, since it uses less digits than its factorization.
143212044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1750 (or 1748 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 143212044 is about 11967.1234638906. The cubic root of 143212044 is about 523.1904978448.
Adding to 143212044 its reverse (440212341), we get a palindrome (583424385).
The spelling of 143212044 in words is "one hundred forty-three million, two hundred twelve thousand, forty-four".
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