Base | Representation |
---|---|
bin | 100000010101001… |
… | …001101010110101 |
3 | 1101210122120020111 |
4 | 200111021222311 |
5 | 2102324244131 |
6 | 125453503021 |
7 | 16304312263 |
oct | 4025115265 |
9 | 1353576214 |
10 | 542415541 |
11 | 2591a7908 |
12 | 1317a1a71 |
13 | 884b6255 |
14 | 52077433 |
15 | 32945ab1 |
hex | 20549ab5 |
542415541 has 8 divisors (see below), whose sum is σ = 550730880. Its totient is φ = 534142752.
The previous prime is 542415539. The next prime is 542415557. The reversal of 542415541 is 145514245.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 542415541 - 21 = 542415539 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542415571) 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 7 ways as a sum of consecutive naturals, for example, 15540 + ... + 36418.
It is an arithmetic number, because the mean of its divisors is an integer number (68841360).
Almost surely, 2542415541 is an apocalyptic number.
It is an amenable number.
542415541 is a deficient number, since it is larger than the sum of its proper divisors (8315339).
542415541 is a wasteful number, since it uses less digits than its factorization.
542415541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21275.
The product of its digits is 16000, while the sum is 31.
The square root of 542415541 is about 23289.8162508853. The cubic root of 542415541 is about 815.5376987949.
Adding to 542415541 its reverse (145514245), we get a palindrome (687929786).
The spelling of 542415541 in words is "five hundred forty-two million, four hundred fifteen thousand, five hundred forty-one".
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