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23668238 = 2117871367
BaseRepresentation
bin101101001001…
…0011000001110
31122112110201102
41122102120032
522024340423
62203143102
7405114416
oct132223016
948473642
1023668238
11123a6330
127b14a92
134b98c99
143201646
152127c28
hex169260e

23668238 has 16 divisors (see below), whose sum is σ = 38807424. Its totient is φ = 10736760.

The previous prime is 23668237. The next prime is 23668241. The reversal of 23668238 is 83286632.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23668231) 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 7 ways as a sum of consecutive naturals, for example, 16631 + ... + 17997.

It is an arithmetic number, because the mean of its divisors is an integer number (2425464).

Almost surely, 223668238 is an apocalyptic number.

23668238 is a deficient number, since it is larger than the sum of its proper divisors (15139186).

23668238 is a wasteful number, since it uses less digits than its factorization.

23668238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167.

The product of its digits is 82944, while the sum is 38.

The square root of 23668238 is about 4865.0013360738. The cubic root of 23668238 is about 287.1146211425.

The spelling of 23668238 in words is "twenty-three million, six hundred sixty-eight thousand, two hundred thirty-eight".

Divisors: 1 2 11 22 787 1367 1574 2734 8657 15037 17314 30074 1075829 2151658 11834119 23668238