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23431712 = 2517192267
BaseRepresentation
bin101100101100…
…0101000100000
31122002110021012
41121120220200
521444303322
62154120052
7403111013
oct131305040
948073235
1023431712
1112254657
127a20028
134b15425
14317d37a
1520ccae2
hex1658a20

23431712 has 48 divisors (see below), whose sum is σ = 51438240. Its totient is φ = 10441728.

The previous prime is 23431711. The next prime is 23431721. The reversal of 23431712 is 21713432.

It is not an unprimeable number, because it can be changed into a prime (23431711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9203 + ... + 11469.

It is an arithmetic number, because the mean of its divisors is an integer number (1071630).

Almost surely, 223431712 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 23431712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25719120).

23431712 is an abundant number, since it is smaller than the sum of its proper divisors (28006528).

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

23431712 is a wasteful number, since it uses less digits than its factorization.

23431712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313 (or 2305 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 23431712 is about 4840.6313637789. The cubic root of 23431712 is about 286.1550009885.

The spelling of 23431712 in words is "twenty-three million, four hundred thirty-one thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 17 19 32 34 38 68 76 136 152 272 304 323 544 608 646 1292 2267 2584 4534 5168 9068 10336 18136 36272 38539 43073 72544 77078 86146 154156 172292 308312 344584 616624 689168 732241 1233248 1378336 1464482 2928964 5857928 11715856 23431712