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23443000 = 2353717197
BaseRepresentation
bin101100101101…
…1011000111000
31122010000202021
41121123120320
522000134000
62154244224
7403155640
oct131333070
948100667
1023443000
1112262089
127a26674
134b1a5c9
143183520
1520d111a
hex165b638

23443000 has 128 divisors (see below), whose sum is σ = 66718080. Its totient is φ = 7526400.

The previous prime is 23442997. The next prime is 23443027. The reversal of 23443000 is 34432.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 118902 + ... + 119098.

It is an arithmetic number, because the mean of its divisors is an integer number (521235).

Almost surely, 223443000 is an apocalyptic number.

23443000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23443000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33359040).

23443000 is an abundant number, since it is smaller than the sum of its proper divisors (43275080).

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

23443000 is a wasteful number, since it uses less digits than its factorization.

23443000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 23443000 is about 4841.7971869958. The cubic root of 23443000 is about 286.2009444105.

Adding to 23443000 its reverse (34432), we get a palindrome (23477432).

It can be divided in two parts, 234 and 43000, that added together give a palindrome (43234).

The spelling of 23443000 in words is "twenty-three million, four hundred forty-three thousand".

Divisors: 1 2 4 5 7 8 10 14 17 20 25 28 34 35 40 50 56 68 70 85 100 119 125 136 140 170 175 197 200 238 250 280 340 350 394 425 476 500 595 680 700 788 850 875 952 985 1000 1190 1379 1400 1576 1700 1750 1970 2125 2380 2758 2975 3349 3400 3500 3940 4250 4760 4925 5516 5950 6698 6895 7000 7880 8500 9850 11032 11900 13396 13790 14875 16745 17000 19700 23443 23800 24625 26792 27580 29750 33490 34475 39400 46886 49250 55160 59500 66980 68950 83725 93772 98500 117215 119000 133960 137900 167450 172375 187544 197000 234430 275800 334900 344750 418625 468860 586075 669800 689500 837250 937720 1172150 1379000 1674500 2344300 2930375 3349000 4688600 5860750 11721500 23443000