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23838928 = 242983619
BaseRepresentation
bin101101011110…
…0000011010000
31122212010212021
41122330003100
522100321203
62210541224
7406425151
oct132740320
948763767
1023838928
11125025a3
127b97814
134c28899
143247928
15215d5bd
hex16bc0d0

23838928 has 40 divisors (see below), whose sum is σ = 48434400. Its totient is φ = 11351424.

The previous prime is 23838887. The next prime is 23838931. The reversal of 23838928 is 82983832.

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 7 ways as a sum of consecutive naturals, for example, 38203 + ... + 38821.

It is an arithmetic number, because the mean of its divisors is an integer number (1210860).

Almost surely, 223838928 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 23838928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24217200).

23838928 is an abundant number, since it is smaller than the sum of its proper divisors (24595472).

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

23838928 is a wasteful number, since it uses less digits than its factorization.

23838928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 733 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 23838928 is about 4882.5124679820. The cubic root of 23838928 is about 287.8031705515.

It can be divided in two parts, 2383 and 8928, that added together give a palindrome (11311).

The spelling of 23838928 in words is "twenty-three million, eight hundred thirty-eight thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 29 58 83 116 166 232 332 464 619 664 1238 1328 2407 2476 4814 4952 9628 9904 17951 19256 35902 38512 51377 71804 102754 143608 205508 287216 411016 822032 1489933 2979866 5959732 11919464 23838928