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13442344 = 233167809
BaseRepresentation
bin110011010001…
…110100101000
3221021221102121
4303101310220
511420123334
61200041024
7222154336
oct63216450
927257377
1013442344
117651483
124603174
132a28666
141adcb56
1512a7db4
hexcd1d28

13442344 has 32 divisors (see below), whose sum is σ = 26438400. Its totient is φ = 6399360.

The previous prime is 13442339. The next prime is 13442347. The reversal of 13442344 is 44324431.

It is a super-2 number, since 2×134423442 = 361393224428672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13442347) 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 7 ways as a sum of consecutive naturals, for example, 16212 + ... + 17020.

It is an arithmetic number, because the mean of its divisors is an integer number (826200).

Almost surely, 213442344 is an apocalyptic number.

It is an amenable number.

13442344 is a deficient number, since it is larger than the sum of its proper divisors (12996056).

13442344 is a wasteful number, since it uses less digits than its factorization.

13442344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 909 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 13442344 is about 3666.3802312363. The cubic root of 13442344 is about 237.7706992843.

Adding to 13442344 its reverse (44324431), we get a palindrome (57766775).

The spelling of 13442344 in words is "thirteen million, four hundred forty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 31 62 67 124 134 248 268 536 809 1618 2077 3236 4154 6472 8308 16616 25079 50158 54203 100316 108406 200632 216812 433624 1680293 3360586 6721172 13442344