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13604768 = 25425149
BaseRepresentation
bin110011111001…
…011110100000
3221121012020022
4303321132200
511440323033
61203333012
7223432022
oct63713640
927535208
1013604768
117752511
124681168
132a84578
141b42012
1512db098
hexcf97a0

13604768 has 12 divisors (see below), whose sum is σ = 26784450. Its totient is φ = 6802368.

The previous prime is 13604749. The next prime is 13604771. The reversal of 13604768 is 86740631.

It can be written as a sum of positive squares in only one way, i.e., 13454224 + 150544 = 3668^2 + 388^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212543 + ... + 212606.

Almost surely, 213604768 is an apocalyptic number.

It is an amenable number.

13604768 is a deficient number, since it is larger than the sum of its proper divisors (13179682).

13604768 is an equidigital number, since it uses as much as digits as its factorization.

13604768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425159 (or 425151 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 13604768 is about 3688.4641790317. The cubic root of 13604768 is about 238.7245298707.

The spelling of 13604768 in words is "thirteen million, six hundred four thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 425149 850298 1700596 3401192 6802384 13604768