Base | Representation |
---|---|
bin | 10000111100011… |
… | …10011100111100 |
3 | 100220110112010112 |
4 | 20132032130330 |
5 | 242342004434 |
6 | 22034325152 |
7 | 3344115650 |
oct | 1036163474 |
9 | 326415115 |
10 | 142141244 |
11 | 73264903 |
12 | 3b7297b8 |
13 | 235a9b5b |
14 | 14c40a60 |
15 | c72adce |
hex | 878e73c |
142141244 has 12 divisors (see below), whose sum is σ = 284282544. Its totient is φ = 60917664.
The previous prime is 142141229. The next prime is 142141247. The reversal of 142141244 is 442141241.
142141244 is an admirable number.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142141247) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2538209 + ... + 2538264.
It is an arithmetic number, because the mean of its divisors is an integer number (23690212).
Almost surely, 2142141244 is an apocalyptic number.
142141244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
142141244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142141244 is a wasteful number, since it uses less digits than its factorization.
142141244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5076484 (or 5076482 counting only the distinct ones).
The product of its digits is 1024, while the sum is 23.
The square root of 142141244 is about 11922.3002814054. The cubic root of 142141244 is about 521.8832649031.
Adding to 142141244 its reverse (442141241), we get a palindrome (584282485).
The spelling of 142141244 in words is "one hundred forty-two million, one hundred forty-one thousand, two hundred forty-four".
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