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542356131 = 3180785377
BaseRepresentation
bin100000010100111…
…011001010100011
31101210112112202010
4200110323022203
52102320344011
6125452324003
716303644132
oct4024731243
91353475663
10542356131
11259167209
12131773603
13884951b5
145205d919
15329331a6
hex2053b2a3

542356131 has 4 divisors (see below), whose sum is σ = 723141512. Its totient is φ = 361570752.

The previous prime is 542356127. The next prime is 542356147. The reversal of 542356131 is 131653245.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 542356131 - 22 = 542356127 is a prime.

It is a super-2 number, since 2×5423561312 = 588300345666578322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542356181) 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 3 ways as a sum of consecutive naturals, for example, 90392686 + ... + 90392691.

It is an arithmetic number, because the mean of its divisors is an integer number (180785378).

Almost surely, 2542356131 is an apocalyptic number.

542356131 is a deficient number, since it is larger than the sum of its proper divisors (180785381).

542356131 is a wasteful number, since it uses less digits than its factorization.

542356131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180785380.

The product of its digits is 10800, while the sum is 30.

The square root of 542356131 is about 23288.5407657929. The cubic root of 542356131 is about 815.5079228144.

The spelling of 542356131 in words is "five hundred forty-two million, three hundred fifty-six thousand, one hundred thirty-one".

Divisors: 1 3 180785377 542356131