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13323808 = 252343421
BaseRepresentation
bin110010110100…
…111000100000
3221001220211101
4302310320200
511402330213
61153324144
7221151631
oct62647040
927056741
1013323808
117580413
124566654
1329b6714
141aab888
151282bdd
hexcb4e20

13323808 has 48 divisors (see below), whose sum is σ = 28074816. Its totient is φ = 6209280.

The previous prime is 13323757. The next prime is 13323809. The reversal of 13323808 is 80832331.

13323808 is nontrivially palindromic in base 12.

It is not an unprimeable number, because it can be changed into a prime (13323809) 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, 31438 + ... + 31858.

It is an arithmetic number, because the mean of its divisors is an integer number (584892).

Almost surely, 213323808 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 13323808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14037408).

13323808 is an abundant number, since it is smaller than the sum of its proper divisors (14751008).

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

13323808 is a wasteful number, since it uses less digits than its factorization.

13323808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13323808 is about 3650.1791736845. The cubic root of 13323808 is about 237.0697391899.

The spelling of 13323808 in words is "thirteen million, three hundred twenty-three thousand, eight hundred eight".

Divisors: 1 2 4 8 16 23 32 43 46 86 92 172 184 344 368 421 688 736 842 989 1376 1684 1978 3368 3956 6736 7912 9683 13472 15824 18103 19366 31648 36206 38732 72412 77464 144824 154928 289648 309856 416369 579296 832738 1665476 3330952 6661904 13323808