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23534243 = 127185309
BaseRepresentation
bin101100111000…
…1101010100011
31122021122220122
41121301222203
522011043433
62200230455
7404015645
oct131615243
948248818
1023534243
1112314697
127a6b42b
134b4ccb5
1431a8895
1520ed198
hex1671aa3

23534243 has 4 divisors (see below), whose sum is σ = 23719680. Its totient is φ = 23348808.

The previous prime is 23534213. The next prime is 23534249. The reversal of 23534243 is 34243532.

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 23534243 - 28 = 23533987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23534249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 92528 + ... + 92781.

It is an arithmetic number, because the mean of its divisors is an integer number (5929920).

Almost surely, 223534243 is an apocalyptic number.

23534243 is a deficient number, since it is larger than the sum of its proper divisors (185437).

23534243 is a wasteful number, since it uses less digits than its factorization.

23534243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185436.

The product of its digits is 8640, while the sum is 26.

The square root of 23534243 is about 4851.2104675019. The cubic root of 23534243 is about 286.5717733208.

Adding to 23534243 its reverse (34243532), we get a palindrome (57777775).

The spelling of 23534243 in words is "twenty-three million, five hundred thirty-four thousand, two hundred forty-three".

Divisors: 1 127 185309 23534243