Search a number
-
+
23340189 = 319409477
BaseRepresentation
bin101100100001…
…0010010011101
31121220210201110
41121002102131
521433341224
62152132233
7402250125
oct131022235
947823643
1023340189
11121a1914
127997079
134ab2882
143157c85
1520b0929
hex164249d

23340189 has 8 divisors (see below), whose sum is σ = 32758240. Its totient is φ = 14741136.

The previous prime is 23340173. The next prime is 23340197. The reversal of 23340189 is 98104332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23340189 - 24 = 23340173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23340169) 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, 204682 + ... + 204795.

It is an arithmetic number, because the mean of its divisors is an integer number (4094780).

Almost surely, 223340189 is an apocalyptic number.

It is an amenable number.

23340189 is a deficient number, since it is larger than the sum of its proper divisors (9418051).

23340189 is a wasteful number, since it uses less digits than its factorization.

23340189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409499.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 23340189 is about 4831.1684921973. The cubic root of 23340189 is about 285.7819462021.

The spelling of 23340189 in words is "twenty-three million, three hundred forty thousand, one hundred eighty-nine".

Divisors: 1 3 19 57 409477 1228431 7780063 23340189