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542086161 = 3352951203
BaseRepresentation
bin100000010011111…
…001010000010001
31101210000211102020
4200103321100101
52102233224121
6125442442053
716301441061
oct4023712021
91353024366
10542086161
11258aa23a1
12131663329
13883cc356
1451dcd3a1
15328cd1c6
hex204f9411

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".

Divisors: 1 3 3529 10587 51203 153609 180695387 542086161