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33542 = 231541

33542 has 8 divisors (see below), whose sum is σ = 52032. Its totient is φ = 16200.

The previous prime is 33533. The next prime is 33547. The reversal of 33542 is 24533.

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

It is a super-2 number, since 2×335422 = 2250131528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33547) by changing a digit.

33542 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 (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209 + ... + 332.

It is an arithmetic number, because the mean of its divisors is an integer number (6504).

233542 is an apocalyptic number.

33542 is a deficient number, since it is larger than the sum of its proper divisors (18490).

33542 is a wasteful number, since it uses less digits than its factorization.

33542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574.

The product of its digits is 360, while the sum is 17.

The square root of 33542 is about 183.1447514945. The cubic root of 33542 is about 32.2499949923.

Subtracting from 33542 its reverse (24533), we obtain a palindrome (9009).

It can be divided in two parts, 33 and 542, that added together give a palindrome (575).

The spelling of 33542 in words is "thirty-three thousand, five hundred forty-two".

Divisors: 1 2 31 62 541 1082 16771 33542