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13275888 = 243276581
BaseRepresentation
bin110010101001…
…001011110000
3220222111002120
4302221023300
511344312023
61152314240
7220562133
oct62511360
926874076
1013275888
11754840a
124542980
13299a972
141a9821a
1512738e3
hexca92f0

13275888 has 20 divisors (see below), whose sum is σ = 34296168. Its totient is φ = 4425280.

The previous prime is 13275883. The next prime is 13275901. The reversal of 13275888 is 88857231.

It is a happy number.

It is a super-3 number, since 3×132758883 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13275883) 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 3 ways as a sum of consecutive naturals, for example, 138243 + ... + 138338.

Almost surely, 213275888 is an apocalyptic number.

It is an amenable number.

13275888 is an abundant number, since it is smaller than the sum of its proper divisors (21020280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13275888 is a wasteful number, since it uses less digits than its factorization.

13275888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276592 (or 276586 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The square root of 13275888 is about 3643.6091996810. The cubic root of 13275888 is about 236.7851851883.

The spelling of 13275888 in words is "thirteen million, two hundred seventy-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 276581 553162 829743 1106324 1659486 2212648 3318972 4425296 6637944 13275888