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15342 = 232557
BaseRepresentation
bin11101111101110
3210001020
43233232
5442332
6155010
762505
oct35756
923036
1015342
1110588
128a66
136ca2
14583c
15482c
hex3bee

15342 has 8 divisors (see below), whose sum is σ = 30696. Its totient is φ = 5112.

The previous prime is 15331. The next prime is 15349. The reversal of 15342 is 24351.

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

15342 is an admirable number.

It is a plaindrome in base 16.

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 15342.

It is not an unprimeable number, because it can be changed into a prime (15349) by changing a digit.

15342 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273 + ... + 1284.

It is an arithmetic number, because the mean of its divisors is an integer number (3837).

215342 is an apocalyptic number.

15342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15348).

15342 is a wasteful number, since it uses less digits than its factorization.

15342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562.

The product of its digits is 120, while the sum is 15.

The square root of 15342 is about 123.8628273535. The cubic root of 15342 is about 24.8481461506.

Adding to 15342 its reverse (24351), we get a palindrome (39693).

Subtracting 15342 from its reverse (24351), we obtain a palindrome (9009).

The spelling of 15342 in words is "fifteen thousand, three hundred forty-two".

Divisors: 1 2 3 6 2557 5114 7671 15342