Search a number
-
+
233243 = 2310141
BaseRepresentation
bin111000111100011011
3102211221122
4320330123
524430433
64555455
71661003
oct707433
9384848
10233243
1114a26a
12b2b8b
138221a
1461003
1549198
hex38f1b

233243 has 4 divisors (see below), whose sum is σ = 243408. Its totient is φ = 223080.

The previous prime is 233239. The next prime is 233251. The reversal of 233243 is 342332.

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

It is a cyclic number.

It is not a de Polignac number, because 233243 - 22 = 233239 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 233243.

It is not an unprimeable number, because it can be changed into a prime (233293) by changing a digit.

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, 5048 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (60852).

2233243 is an apocalyptic number.

233243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

233243 is a deficient number, since it is larger than the sum of its proper divisors (10165).

233243 is a wasteful number, since it uses less digits than its factorization.

233243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10164.

The product of its digits is 432, while the sum is 17.

The square root of 233243 is about 482.9523786048. The cubic root of 233243 is about 61.5558793244. Note that the first 3 decimals are identical.

Adding to 233243 its reverse (342332), we get a palindrome (575575).

The spelling of 233243 in words is "two hundred thirty-three thousand, two hundred forty-three".

Divisors: 1 23 10141 233243