Base | Representation |
---|---|
bin | 100000010100011… |
… | …010101100100111 |
3 | 1101210021210022122 |
4 | 200110122230213 |
5 | 2102302120033 |
6 | 125445420155 |
7 | 16302551330 |
oct | 4024325447 |
9 | 1353253278 |
10 | 542223143 |
11 | 259086300 |
12 | 13170a65b |
13 | 884497c7 |
14 | 52027287 |
15 | 32908a98 |
hex | 2051ab27 |
542223143 has 24 divisors (see below), whose sum is σ = 721226016. Its totient is φ = 397647360.
The previous prime is 542223127. The next prime is 542223167. The reversal of 542223143 is 341322245.
It is not a de Polignac number, because 542223143 - 24 = 542223127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542223173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4430 + ... + 33227.
It is an arithmetic number, because the mean of its divisors is an integer number (30051084).
Almost surely, 2542223143 is an apocalyptic number.
542223143 is a deficient number, since it is larger than the sum of its proper divisors (179002873).
542223143 is a wasteful number, since it uses less digits than its factorization.
542223143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37703 (or 37692 counting only the distinct ones).
The product of its digits is 5760, while the sum is 26.
The square root of 542223143 is about 23285.6853667656. The cubic root of 542223143 is about 815.4412620436.
Adding to 542223143 its reverse (341322245), we get a palindrome (883545388).
The spelling of 542223143 in words is "five hundred forty-two million, two hundred twenty-three thousand, one hundred forty-three".
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