Base | Representation |
---|---|
bin | 10000111101001… |
… | …11100011001001 |
3 | 100220122202010211 |
4 | 20132213203021 |
5 | 242403302131 |
6 | 22040441121 |
7 | 3345024442 |
oct | 1036474311 |
9 | 326582124 |
10 | 142244041 |
11 | 73325065 |
12 | 3b7791a1 |
13 | 23614894 |
14 | 14c6a2c9 |
15 | c74b5b1 |
hex | 87a78c9 |
142244041 has 4 divisors (see below), whose sum is σ = 143150212. Its totient is φ = 141337872.
The previous prime is 142244023. The next prime is 142244059. The reversal of 142244041 is 140442241.
142244041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (142244023) and next prime (142244059).
It can be written as a sum of positive squares in 2 ways, for example, as 43837641 + 98406400 = 6621^2 + 9920^2 .
It is a cyclic number.
It is not a de Polignac number, because 142244041 - 227 = 8026313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142244071) 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, 452850 + ... + 453163.
It is an arithmetic number, because the mean of its divisors is an integer number (35787553).
Almost surely, 2142244041 is an apocalyptic number.
It is an amenable number.
142244041 is a deficient number, since it is larger than the sum of its proper divisors (906171).
142244041 is an equidigital number, since it uses as much as digits as its factorization.
142244041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 906170.
The product of its (nonzero) digits is 1024, while the sum is 22.
The square root of 142244041 is about 11926.6106249848. The cubic root of 142244041 is about 522.0090437994.
Adding to 142244041 its reverse (140442241), we get a palindrome (282686282).
The spelling of 142244041 in words is "one hundred forty-two million, two hundred forty-four thousand, forty-one".
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