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13288803 = 311402691
BaseRepresentation
bin110010101100…
…010101100011
3221000010210220
4302230111203
511400220203
61152454123
7220644603
oct62542543
927003726
1013288803
117557090
12454a343
1329a37c8
141a9cc03
151277653
hexcac563

13288803 has 8 divisors (see below), whose sum is σ = 19329216. Its totient is φ = 8053800.

The previous prime is 13288799. The next prime is 13288811. The reversal of 13288803 is 30888231.

13288803 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13288803 - 22 = 13288799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 402691 = 13288803 / (1 + 3 + 2 + 8 + 8 + 8 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (13288813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201313 + ... + 201378.

It is an arithmetic number, because the mean of its divisors is an integer number (2416152).

Almost surely, 213288803 is an apocalyptic number.

13288803 is a deficient number, since it is larger than the sum of its proper divisors (6040413).

13288803 is a wasteful number, since it uses less digits than its factorization.

13288803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402705.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 13288803 is about 3645.3810500413. The cubic root of 13288803 is about 236.8619431311.

The spelling of 13288803 in words is "thirteen million, two hundred eighty-eight thousand, eight hundred three".

Divisors: 1 3 11 33 402691 1208073 4429601 13288803