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23245243 = 73320749
BaseRepresentation
bin101100010101…
…1000110111011
31121201222110221
41120223012323
521422321433
62150120511
7401403250
oct130530673
947658427
1023245243
111213754a
127950137
134a7b5a8
143131427
15209272d
hex162b1bb

23245243 has 4 divisors (see below), whose sum is σ = 26566000. Its totient is φ = 19924488.

The previous prime is 23245219. The next prime is 23245247. The reversal of 23245243 is 34254232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23245243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23245247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660368 + ... + 1660381.

It is an arithmetic number, because the mean of its divisors is an integer number (6641500).

Almost surely, 223245243 is an apocalyptic number.

23245243 is a deficient number, since it is larger than the sum of its proper divisors (3320757).

23245243 is an equidigital number, since it uses as much as digits as its factorization.

23245243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320756.

The product of its digits is 5760, while the sum is 25.

The square root of 23245243 is about 4821.3320773413. The cubic root of 23245243 is about 285.3939069449.

Adding to 23245243 its reverse (34254232), we get a palindrome (57499475).

The spelling of 23245243 in words is "twenty-three million, two hundred forty-five thousand, two hundred forty-three".

Divisors: 1 7 3320749 23245243