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23682245 = 54736449
BaseRepresentation
bin101101001010…
…1110011000101
31122120011221012
41122111303011
522030312440
62203332005
7405203306
oct132256305
948504835
1023682245
1112405904
127b21005
134ba2482
1432067ad
15212be65
hex1695cc5

23682245 has 4 divisors (see below), whose sum is σ = 28418700. Its totient is φ = 18945792.

The previous prime is 23682223. The next prime is 23682247. The reversal of 23682245 is 54228632.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15382084 + 8300161 = 3922^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 23682245 - 26 = 23682181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23682247) 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, 2368220 + ... + 2368229.

It is an arithmetic number, because the mean of its divisors is an integer number (7104675).

Almost surely, 223682245 is an apocalyptic number.

It is an amenable number.

23682245 is a deficient number, since it is larger than the sum of its proper divisors (4736455).

23682245 is an equidigital number, since it uses as much as digits as its factorization.

23682245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736454.

The product of its digits is 23040, while the sum is 32.

The square root of 23682245 is about 4866.4406911006. The cubic root of 23682245 is about 287.1712486704.

The spelling of 23682245 in words is "twenty-three million, six hundred eighty-two thousand, two hundred forty-five".

Divisors: 1 5 4736449 23682245