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23143204 = 2273789251
BaseRepresentation
bin101100001001…
…0001100100100
31121112210111201
41120102030210
521411040304
62144012244
7400466620
oct130221444
947483451
1023143204
1112077917
127901084
134a44006
143106180
1520723a4
hex1612324

23143204 has 48 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 9504000.

The previous prime is 23143199. The next prime is 23143259. The reversal of 23143204 is 40234132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92079 + ... + 92329.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 223143204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23143204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24131520).

23143204 is an abundant number, since it is smaller than the sum of its proper divisors (25119836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23143204 is a wasteful number, since it uses less digits than its factorization.

23143204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23143204 is about 4810.7384048605. The cubic root of 23143204 is about 284.9756991694.

Adding to 23143204 its reverse (40234132), we get a palindrome (63377336).

The spelling of 23143204 in words is "twenty-three million, one hundred forty-three thousand, two hundred four".

Divisors: 1 2 4 7 14 28 37 74 89 148 178 251 259 356 502 518 623 1004 1036 1246 1757 2492 3293 3514 6586 7028 9287 13172 18574 22339 23051 37148 44678 46102 65009 89356 92204 130018 156373 260036 312746 625492 826543 1653086 3306172 5785801 11571602 23143204