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13200775 = 527241313
BaseRepresentation
bin110010010110…
…110110000111
3220211200001121
4302112312013
511334411100
61150534411
7220130140
oct62266607
926750047
1013200775
1174a6a35
124507407
132972713
141a78ac7
15125b51a
hexc96d87

13200775 has 24 divisors (see below), whose sum is σ = 18845024. Its totient is φ = 8985600.

The previous prime is 13200769. The next prime is 13200779. The reversal of 13200775 is 57700231.

13200775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13200775 - 23 = 13200767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200779) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 42019 + ... + 42331.

Almost surely, 213200775 is an apocalyptic number.

13200775 is a deficient number, since it is larger than the sum of its proper divisors (5644249).

13200775 is a wasteful number, since it uses less digits than its factorization.

13200775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 13200775 is about 3633.2870792163. The cubic root of 13200775 is about 236.3377752098.

The spelling of 13200775 in words is "thirteen million, two hundred thousand, seven hundred seventy-five".

Divisors: 1 5 7 25 35 175 241 313 1205 1565 1687 2191 6025 7825 8435 10955 42175 54775 75433 377165 528031 1885825 2640155 13200775