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23305936 = 245712551
BaseRepresentation
bin101100011100…
…1111011010000
31121212001201211
41120321323100
521431242221
62151305504
7402045223
oct130717320
947761654
1023305936
1112179105
12797b294
134aa00c4
1431495ba
1520a56e1
hex1639ed0

23305936 has 20 divisors (see below), whose sum is σ = 45252064. Its totient is φ = 11628000.

The previous prime is 23305927. The next prime is 23305939. The reversal of 23305936 is 63950332.

It is a junction number, because it is equal to n+sod(n) for n = 23305898 and 23305907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23305939) 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, 7861 + ... + 10411.

Almost surely, 223305936 is an apocalyptic number.

It is an amenable number.

23305936 is a deficient number, since it is larger than the sum of its proper divisors (21946128).

23305936 is a wasteful number, since it uses less digits than its factorization.

23305936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130 (or 3124 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 23305936 is about 4827.6221890285. The cubic root of 23305936 is about 285.6420775620.

The spelling of 23305936 in words is "twenty-three million, three hundred five thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 571 1142 2284 2551 4568 5102 9136 10204 20408 40816 1456621 2913242 5826484 11652968 23305936