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13304442 = 2323229421
BaseRepresentation
bin110010110000…
…001001111010
3221000221021010
4302300021322
511401220232
61153054350
7221041314
oct62601172
927027233
1013304442
117567908
1245573b6
1329aa968
141aa47b4
15127c0cc
hexcb027a

13304442 has 32 divisors (see below), whose sum is σ = 27953280. Its totient is φ = 4213440.

The previous prime is 13304429. The next prime is 13304443. The reversal of 13304442 is 24440331.

It is not an unprimeable number, because it can be changed into a prime (13304443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31392 + ... + 31812.

It is an arithmetic number, because the mean of its divisors is an integer number (873540).

Almost surely, 213304442 is an apocalyptic number.

13304442 is an abundant number, since it is smaller than the sum of its proper divisors (14648838).

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

13304442 is a wasteful number, since it uses less digits than its factorization.

13304442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 13304442 is about 3647.5254625568. The cubic root of 13304442 is about 236.9548241262.

Adding to 13304442 its reverse (24440331), we get a palindrome (37744773).

The spelling of 13304442 in words is "thirteen million, three hundred four thousand, four hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 229 421 458 687 842 1263 1374 2526 5267 9683 10534 15801 19366 29049 31602 58098 96409 192818 289227 578454 2217407 4434814 6652221 13304442