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13318880 = 25583243
BaseRepresentation
bin110010110011…
…101011100000
3221001200001212
4302303223200
511402201010
61153245252
7221131361
oct62635340
927050055
1013318880
117577743
124563828
1329b43c3
141aa9b68
151281505
hexcb3ae0

13318880 has 24 divisors (see below), whose sum is σ = 31466232. Its totient is φ = 5327488.

The previous prime is 13318873. The next prime is 13318883. The reversal of 13318880 is 8881331.

13318880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13318883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41462 + ... + 41781.

It is an arithmetic number, because the mean of its divisors is an integer number (1311093).

Almost surely, 213318880 is an apocalyptic number.

13318880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13318880 is an abundant number, since it is smaller than the sum of its proper divisors (18147352).

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

13318880 is an equidigital number, since it uses as much as digits as its factorization.

13318880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83258 (or 83250 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 13318880 is about 3649.5040758985. The cubic root of 13318880 is about 237.0405077135.

The spelling of 13318880 in words is "thirteen million, three hundred eighteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 83243 166486 332972 416215 665944 832430 1331888 1664860 2663776 3329720 6659440 13318880