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11542 = 229199
BaseRepresentation
bin10110100010110
3120211111
42310112
5332132
6125234
745436
oct26426
916744
1011542
118743
12681a
13533b
1442c6
153647
hex2d16

11542 has 8 divisors (see below), whose sum is σ = 18000. Its totient is φ = 5544.

The previous prime is 11527. The next prime is 11549. The reversal of 11542 is 24511.

11542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11549) by changing a digit.

11542 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, 42 + ... + 157.

It is an arithmetic number, because the mean of its divisors is an integer number (2250).

211542 is an apocalyptic number.

11542 is a deficient number, since it is larger than the sum of its proper divisors (6458).

11542 is a wasteful number, since it uses less digits than its factorization.

11542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 40, while the sum is 13.

The square root of 11542 is about 107.4337004855. The cubic root of 11542 is about 22.5992324902.

It can be divided in two parts, 1154 and 2, that added together give a square (1156 = 342).

The spelling of 11542 in words is "eleven thousand, five hundred forty-two".

Divisors: 1 2 29 58 199 398 5771 11542