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13288053 = 34429351
BaseRepresentation
bin110010101100…
…001001110101
3221000002210010
4302230021311
511400204203
61152450433
7220642452
oct62541165
927002703
1013288053
117556569
124549a19
1329a336c
141a9c829
151277303
hexcac275

13288053 has 4 divisors (see below), whose sum is σ = 17717408. Its totient is φ = 8858700.

The previous prime is 13288027. The next prime is 13288063. The reversal of 13288053 is 35088231.

It is a happy number.

13288053 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 semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13288053 - 25 = 13288021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13288053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13288013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2214673 + ... + 2214678.

It is an arithmetic number, because the mean of its divisors is an integer number (4429352).

Almost surely, 213288053 is an apocalyptic number.

It is an amenable number.

13288053 is a deficient number, since it is larger than the sum of its proper divisors (4429355).

13288053 is an equidigital number, since it uses as much as digits as its factorization.

13288053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429354.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 13288053 is about 3645.2781786854. The cubic root of 13288053 is about 236.8574870036.

The spelling of 13288053 in words is "thirteen million, two hundred eighty-eight thousand, fifty-three".

Divisors: 1 3 4429351 13288053