Base | Representation |
---|---|
bin | 10000111110100… |
… | …11100100010111 |
3 | 100220222220110200 |
4 | 20133103210113 |
5 | 242430034333 |
6 | 22044351543 |
7 | 3346405215 |
oct | 1037234427 |
9 | 326886420 |
10 | 142424343 |
11 | 73438576 |
12 | 3b8455b3 |
13 | 23678979 |
14 | 14cb5cb5 |
15 | c784c13 |
hex | 87d3917 |
142424343 has 12 divisors (see below), whose sum is σ = 206100648. Its totient is φ = 94775760.
The previous prime is 142424341. The next prime is 142424353. The reversal of 142424343 is 343424241.
It is a happy number.
It is not a de Polignac number, because 142424343 - 21 = 142424341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142424341) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9193 + ... + 19218.
It is an arithmetic number, because the mean of its divisors is an integer number (17175054).
Almost surely, 2142424343 is an apocalyptic number.
142424343 is a deficient number, since it is larger than the sum of its proper divisors (63676305).
142424343 is a wasteful number, since it uses less digits than its factorization.
142424343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28974 (or 28971 counting only the distinct ones).
The product of its digits is 9216, while the sum is 27.
The square root of 142424343 is about 11934.1670425715. The cubic root of 142424343 is about 522.2295088885.
Adding to 142424343 its reverse (343424241), we get a palindrome (485848584).
The spelling of 142424343 in words is "one hundred forty-two million, four hundred twenty-four thousand, three hundred forty-three".
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