Search a number
-
+
23144011 = 1131671013
BaseRepresentation
bin101100001001…
…0011001001011
31121112211121121
41120102121023
521411102021
62144020111
7400502152
oct130223113
947484547
1023144011
1112078490
127901637
134a444a7
143106599
152072741
hex161264b

23144011 has 16 divisors (see below), whose sum is σ = 26477568. Its totient is φ = 20037600.

The previous prime is 23143999. The next prime is 23144027. The reversal of 23144011 is 11044132.

It is not a de Polignac number, because 23144011 - 221 = 21046859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23144041) 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 15 ways as a sum of consecutive naturals, for example, 22341 + ... + 23353.

It is an arithmetic number, because the mean of its divisors is an integer number (1654848).

Almost surely, 223144011 is an apocalyptic number.

23144011 is a deficient number, since it is larger than the sum of its proper divisors (3333557).

23144011 is a wasteful number, since it uses less digits than its factorization.

23144011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 23144011 is about 4810.8222789872. The cubic root of 23144011 is about 284.9790114840.

Adding to 23144011 its reverse (11044132), we get a palindrome (34188143).

The spelling of 23144011 in words is "twenty-three million, one hundred forty-four thousand, eleven".

Divisors: 1 11 31 67 341 737 1013 2077 11143 22847 31403 67871 345433 746581 2104001 23144011