Base | Representation |
---|---|
bin | 10000111100011… |
… | …10101101011100 |
3 | 100220110120120122 |
4 | 20132032231130 |
5 | 242342023200 |
6 | 22034334112 |
7 | 3344122016 |
oct | 1036165534 |
9 | 326416518 |
10 | 142142300 |
11 | 73265683 |
12 | 3b72a338 |
13 | 235aa491 |
14 | 14c411b6 |
15 | c72b385 |
hex | 878eb5c |
142142300 has 54 divisors (see below), whose sum is σ = 322562688. Its totient is φ = 54364640.
The previous prime is 142142291. The next prime is 142142303. The reversal of 142142300 is 3241241.
142142300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142142303) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51557 + ... + 54243.
Almost surely, 2142142300 is an apocalyptic number.
142142300 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 142142300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161281344).
142142300 is an abundant number, since it is smaller than the sum of its proper divisors (180420388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142142300 is a wasteful number, since it uses less digits than its factorization.
142142300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2747 (or 2717 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 142142300 is about 11922.3445680789. The cubic root of 142142300 is about 521.8845572969.
Adding to 142142300 its reverse (3241241), we get a palindrome (145383541).
The spelling of 142142300 in words is "one hundred forty-two million, one hundred forty-two thousand, three hundred".
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