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23453000 = 235347499
BaseRepresentation
bin101100101110…
…1110101001000
31122010112110122
41121131311020
522000444000
62154402412
7403230044
oct131356510
948115418
1023453000
111226964a
127a30408
134b2201c
143187024
1520d4085
hex165dd48

23453000 has 64 divisors (see below), whose sum is σ = 56160000. Its totient is φ = 9163200.

The previous prime is 23452999. The next prime is 23453021. The reversal of 23453000 is 35432.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 23453000.

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 15 ways as a sum of consecutive naturals, for example, 46751 + ... + 47249.

It is an arithmetic number, because the mean of its divisors is an integer number (877500).

Almost surely, 223453000 is an apocalyptic number.

23453000 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 23453000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28080000).

23453000 is an abundant number, since it is smaller than the sum of its proper divisors (32707000).

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

23453000 is a wasteful number, since it uses less digits than its factorization.

23453000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 23453000 is about 4842.8297512921. The cubic root of 23453000 is about 286.2416332102.

Adding to 23453000 its reverse (35432), we get a palindrome (23488432).

The spelling of 23453000 in words is "twenty-three million, four hundred fifty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 47 50 94 100 125 188 200 235 250 376 470 499 500 940 998 1000 1175 1880 1996 2350 2495 3992 4700 4990 5875 9400 9980 11750 12475 19960 23453 23500 24950 46906 47000 49900 62375 93812 99800 117265 124750 187624 234530 249500 469060 499000 586325 938120 1172650 2345300 2931625 4690600 5863250 11726500 23453000