Search a number
-
+
23668441 = 101234341
BaseRepresentation
bin101101001001…
…0011011011001
31122112110222221
41122102123121
522024342231
62203144041
7405115126
oct132223331
948473887
1023668441
11123a64a5
127b15021
134b990c4
14320174d
152127d11
hex16926d9

23668441 has 4 divisors (see below), whose sum is σ = 23902884. Its totient is φ = 23434000.

The previous prime is 23668423. The next prime is 23668451. The reversal of 23668441 is 14486632.

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 22278400 + 1390041 = 4720^2 + 1179^2 .

It is a cyclic number.

It is not a de Polignac number, because 23668441 - 215 = 23635673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23668397 and 23668406.

It is not an unprimeable number, because it can be changed into a prime (23668451) 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, 117070 + ... + 117271.

It is an arithmetic number, because the mean of its divisors is an integer number (5975721).

Almost surely, 223668441 is an apocalyptic number.

It is an amenable number.

23668441 is a deficient number, since it is larger than the sum of its proper divisors (234443).

23668441 is a wasteful number, since it uses less digits than its factorization.

23668441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234442.

The product of its digits is 27648, while the sum is 34.

The square root of 23668441 is about 4865.0221993327. The cubic root of 23668441 is about 287.1154419909.

The spelling of 23668441 in words is "twenty-three million, six hundred sixty-eight thousand, four hundred forty-one".

Divisors: 1 101 234341 23668441