Base | Representation |
---|---|
bin | 100000010100101… |
… | …110111101010011 |
3 | 1101210110000011021 |
4 | 200110232331103 |
5 | 2102312244011 |
6 | 125451300311 |
7 | 16303345303 |
oct | 4024567523 |
9 | 1353400137 |
10 | 542306131 |
11 | 259132694 |
12 | 13174a697 |
13 | 88478503 |
14 | 52049603 |
15 | 32923471 |
hex | 2052ef53 |
542306131 has 4 divisors (see below), whose sum is σ = 545059152. Its totient is φ = 539553112.
The previous prime is 542306117. The next prime is 542306161. The reversal of 542306131 is 131603245.
542306131 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, and also an emirpimes, since its reverse is a distinct semiprime: 131603245 = 5 ⋅26320649.
It is a cyclic number.
It is not a de Polignac number, because 542306131 - 25 = 542306099 is a prime.
It is a super-2 number, since 2×5423061312 = 588191879440378322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 542306096 and 542306105.
It is not an unprimeable number, because it can be changed into a prime (542306161) 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, 1376215 + ... + 1376608.
It is an arithmetic number, because the mean of its divisors is an integer number (136264788).
Almost surely, 2542306131 is an apocalyptic number.
542306131 is a deficient number, since it is larger than the sum of its proper divisors (2753021).
542306131 is a wasteful number, since it uses less digits than its factorization.
542306131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2753020.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 542306131 is about 23287.4672517215. The cubic root of 542306131 is about 815.4828613914.
Adding to 542306131 its reverse (131603245), we get a palindrome (673909376).
The spelling of 542306131 in words is "five hundred forty-two million, three hundred six thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •