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343542 = 23311847

343542 has 16 divisors (see below), whose sum is σ = 709632. Its totient is φ = 110760.

The previous prime is 343531. The next prime is 343543. The reversal of 343542 is 245343.

It is a happy number.

343542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3435422 = 236042211528, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343542.

It is not an unprimeable number, because it can be changed into a prime (343543) by changing a digit.

343542 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738 + ... + 1109.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2343542 is an apocalyptic number.

343542 is an abundant number, since it is smaller than the sum of its proper divisors (366090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343542 is a wasteful number, since it uses less digits than its factorization.

343542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883.

The product of its digits is 1440, while the sum is 21.

The square root of 343542 is about 586.1245601406. The cubic root of 343542 is about 70.0368513446.

Adding to 343542 its reverse (245343), we get a palindrome (588885).

The spelling of 343542 in words is "three hundred forty-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 31 62 93 186 1847 3694 5541 11082 57257 114514 171771 343542