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542496305 = 5138346097
BaseRepresentation
bin100000010101011…
…101011000110001
31101210210200000202
4200111131120301
52102334340210
6125455324545
716305066611
oct4025353061
91353720022
10542496305
1125925255a
12131820755
1388513c40
1452098a41
153295e9a5
hex2055d631

542496305 has 8 divisors (see below), whose sum is σ = 701072232. Its totient is φ = 400612608.

The previous prime is 542496293. The next prime is 542496307. The reversal of 542496305 is 503694245.

It can be written as a sum of positive squares in 4 ways, for example, as 351649 + 542144656 = 593^2 + 23284^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542496305 - 214 = 542479921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542496307) 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 7 ways as a sum of consecutive naturals, for example, 4172984 + ... + 4173113.

It is an arithmetic number, because the mean of its divisors is an integer number (87634029).

Almost surely, 2542496305 is an apocalyptic number.

It is an amenable number.

542496305 is a deficient number, since it is larger than the sum of its proper divisors (158575927).

542496305 is a wasteful number, since it uses less digits than its factorization.

542496305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8346115.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 542496305 is about 23291.5500772276. The cubic root of 542496305 is about 815.5781738016.

The spelling of 542496305 in words is "five hundred forty-two million, four hundred ninety-six thousand, three hundred five".

Divisors: 1 5 13 65 8346097 41730485 108499261 542496305