Base | Representation |
---|---|
bin | 100000010011111… |
… | …001010000010001 |
3 | 1101210000211102020 |
4 | 200103321100101 |
5 | 2102233224121 |
6 | 125442442053 |
7 | 16301441061 |
oct | 4023712021 |
9 | 1353024366 |
10 | 542086161 |
11 | 258aa23a1 |
12 | 131663329 |
13 | 883cc356 |
14 | 51dcd3a1 |
15 | 328cd1c6 |
hex | 204f9411 |
542086161 has 8 divisors (see below), whose sum is σ = 723000480. Its totient is φ = 361281312.
The previous prime is 542086147. The next prime is 542086201. The reversal of 542086161 is 161680245.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 542086161 - 27 = 542086033 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (542086661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15015 + ... + 36188.
It is an arithmetic number, because the mean of its divisors is an integer number (90375060).
Almost surely, 2542086161 is an apocalyptic number.
It is an amenable number.
542086161 is a deficient number, since it is larger than the sum of its proper divisors (180914319).
542086161 is a wasteful number, since it uses less digits than its factorization.
542086161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54735.
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 542086161 is about 23282.7438460333. The cubic root of 542086161 is about 815.3725878677.
The spelling of 542086161 in words is "five hundred forty-two million, eighty-six thousand, one hundred sixty-one".
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