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23242 = 211621
BaseRepresentation
bin101101011001010
31011212211
411223022
51220432
6255334
7124522
oct55312
934784
1023242
111650a
121154a
13a76b
148682
156d47
hex5aca

23242 has 4 divisors (see below), whose sum is σ = 34866. Its totient is φ = 11620.

The previous prime is 23227. The next prime is 23251. The reversal of 23242 is 24232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22801 + 441 = 151^2 + 21^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5809 + ... + 5812.

223242 is an apocalyptic number.

23242 is a deficient number, since it is larger than the sum of its proper divisors (11624).

23242 is a wasteful number, since it uses less digits than its factorization.

23242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11623.

The product of its digits is 96, while the sum is 13.

The square root of 23242 is about 152.4532715293. The cubic root of 23242 is about 28.5380634330.

Adding to 23242 its reverse (24232), we get a palindrome (47474).

Subtracting 23242 from its reverse (24232), we obtain a triangular number (990 = T44).

The spelling of 23242 in words is "twenty-three thousand, two hundred forty-two", and thus it is an iban number.

Divisors: 1 2 11621 23242