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23142876 = 22323711181
BaseRepresentation
bin101100001001…
…0000111011100
31121112210001120
41120102013130
521411033001
62144010540
7400465641
oct130220734
947483046
1023142876
1112077649
127900a50
134a43b13
143105dc8
152072236
hex16121dc

23142876 has 48 divisors (see below), whose sum is σ = 57189888. Its totient is φ = 7268800.

The previous prime is 23142869. The next prime is 23142881. The reversal of 23142876 is 67824132.

It is a congruent number.

It is an unprimeable number.

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, 19006 + ... + 20186.

It is an arithmetic number, because the mean of its divisors is an integer number (1191456).

Almost surely, 223142876 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 23142876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28594944).

23142876 is an abundant number, since it is smaller than the sum of its proper divisors (34047012).

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

23142876 is a wasteful number, since it uses less digits than its factorization.

23142876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1280 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 23142876 is about 4810.7043143390. The cubic root of 23142876 is about 284.9743528783.

The spelling of 23142876 in words is "twenty-three million, one hundred forty-two thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 12 23 46 69 71 92 138 142 213 276 284 426 852 1181 1633 2362 3266 3543 4724 4899 6532 7086 9798 14172 19596 27163 54326 81489 83851 108652 162978 167702 251553 325956 335404 503106 1006212 1928573 3857146 5785719 7714292 11571438 23142876