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542462105 = 5108492421
BaseRepresentation
bin100000010101010…
…101000010011001
31101210201221010002
4200111111002121
52102332241410
6125454502345
716304565113
oct4025250231
91353657102
10542462105
11259229899
121318049b5
13885014c3
145208a3b3
15329547a5
hex20555099

542462105 has 4 divisors (see below), whose sum is σ = 650954532. Its totient is φ = 433969680.

The previous prime is 542462101. The next prime is 542462113. The reversal of 542462105 is 501264245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501264245 = 5100252849.

It can be written as a sum of positive squares in 2 ways, for example, as 160376896 + 382085209 = 12664^2 + 19547^2 .

It is not a de Polignac number, because 542462105 - 22 = 542462101 is a prime.

It is a super-2 number, since 2×5424621052 = 588530270722062050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542462101) 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 3 ways as a sum of consecutive naturals, for example, 54246206 + ... + 54246215.

It is an arithmetic number, because the mean of its divisors is an integer number (162738633).

Almost surely, 2542462105 is an apocalyptic number.

It is an amenable number.

542462105 is a deficient number, since it is larger than the sum of its proper divisors (108492427).

542462105 is a wasteful number, since it uses less digits than its factorization.

542462105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108492426.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 542462105 is about 23290.8158938239. The cubic root of 542462105 is about 815.5610349077.

The spelling of 542462105 in words is "five hundred forty-two million, four hundred sixty-two thousand, one hundred five".

Divisors: 1 5 108492421 542462105