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542516523 = 33119932927
BaseRepresentation
bin100000010101100…
…010010100101011
31101210211200202120
4200111202110223
52102341012043
6125500002323
716305212553
oct4025422453
91353750676
10542516523
1125926676a
121318303a3
13885201c3
14520a2163
1532965983
hex2056252b

542516523 has 16 divisors (see below), whose sum is σ = 747319296. Its totient is φ = 349715520.

The previous prime is 542516497. The next prime is 542516531. The reversal of 542516523 is 325615245.

It is not a de Polignac number, because 542516523 - 28 = 542516267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542516573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183886 + ... + 186812.

It is an arithmetic number, because the mean of its divisors is an integer number (46707456).

Almost surely, 2542516523 is an apocalyptic number.

542516523 is a deficient number, since it is larger than the sum of its proper divisors (204802773).

542516523 is a wasteful number, since it uses less digits than its factorization.

542516523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4954.

The product of its digits is 36000, while the sum is 33.

The square root of 542516523 is about 23291.9840932455. The cubic root of 542516523 is about 815.5883054556.

The spelling of 542516523 in words is "five hundred forty-two million, five hundred sixteen thousand, five hundred twenty-three".

Divisors: 1 3 31 93 1993 2927 5979 8781 61783 90737 185349 272211 5833511 17500533 180838841 542516523