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542306 = 22631031
BaseRepresentation
bin10000100011001100010
31000112220102
42010121202
5114323211
615342402
74416032
oct2043142
91015812
10542306
11340496
12221a02
1315cabb
141018c2
15aaa3b
hex84662

542306 has 8 divisors (see below), whose sum is σ = 817344. Its totient is φ = 269860.

The previous prime is 542299. The next prime is 542323. The reversal of 542306 is 603245.

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

It is a Curzon number.

It is an unprimeable number.

542306 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 1041.

It is an arithmetic number, because the mean of its divisors is an integer number (102168).

2542306 is an apocalyptic number.

542306 is a deficient number, since it is larger than the sum of its proper divisors (275038).

542306 is a wasteful number, since it uses less digits than its factorization.

542306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 542306 is about 736.4142855757. The cubic root of 542306 is about 81.5482795728.

It can be divided in two parts, 542 and 306, that added together give a palindrome (848).

The spelling of 542306 in words is "five hundred forty-two thousand, three hundred six".

Divisors: 1 2 263 526 1031 2062 271153 542306