Base | Representation |
---|---|
bin | 10001000100000… |
… | …10110011110100 |
3 | 100222100101002110 |
4 | 20202002303310 |
5 | 243121022012 |
6 | 22112011020 |
7 | 3355455000 |
oct | 1042026364 |
9 | 328311073 |
10 | 143142132 |
11 | 73888891 |
12 | 3bb30a70 |
13 | 2386a5b3 |
14 | 15021700 |
15 | c87773c |
hex | 8882cf4 |
143142132 has 96 divisors (see below), whose sum is σ = 395136000. Its totient is φ = 40308576.
The previous prime is 143142113. The next prime is 143142151. The reversal of 143142132 is 231241341.
It is an interprime number because it is at equal distance from previous prime (143142113) and next prime (143142151).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 143142099 and 143142108.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 341419 + ... + 341837.
It is an arithmetic number, because the mean of its divisors is an integer number (4116000).
Almost surely, 2143142132 is an apocalyptic number.
143142132 is a gapful number since it is divisible by the number (12) 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 143142132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197568000).
143142132 is an abundant number, since it is smaller than the sum of its proper divisors (251993868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143142132 is a wasteful number, since it uses less digits than its factorization.
143142132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 530 (or 514 counting only the distinct ones).
The product of its digits is 576, while the sum is 21.
The square root of 143142132 is about 11964.2021046119. The cubic root of 143142132 is about 523.1053484708.
Adding to 143142132 its reverse (231241341), we get a palindrome (374383473).
The spelling of 143142132 in words is "one hundred forty-three million, one hundred forty-two thousand, one hundred thirty-two".
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