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13305344 = 29131999
BaseRepresentation
bin110010110000…
…011000000000
3221000222111112
4302300120000
511401232334
61153102452
7221044043
oct62603000
927028445
1013305344
117568558
124557a28
1329ab1b0
141aa4c5a
15127c4ce
hexcb0600

13305344 has 40 divisors (see below), whose sum is σ = 28644000. Its totient is φ = 6137856.

The previous prime is 13305323. The next prime is 13305349. The reversal of 13305344 is 44350331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5657 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (716100).

Almost surely, 213305344 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 13305344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14322000).

13305344 is an abundant number, since it is smaller than the sum of its proper divisors (15338656).

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

13305344 is an equidigital number, since it uses as much as digits as its factorization.

13305344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2014 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 13305344 is about 3647.6491059311. The cubic root of 13305344 is about 236.9601789399.

Adding to 13305344 its reverse (44350331), we get a palindrome (57655675).

The spelling of 13305344 in words is "thirteen million, three hundred five thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 512 832 1664 1999 3328 3998 6656 7996 15992 25987 31984 51974 63968 103948 127936 207896 255872 415792 511744 831584 1023488 1663168 3326336 6652672 13305344