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13193886 = 232198981
BaseRepresentation
bin110010010101…
…001010011110
3220211022121110
4302111022132
511334201021
61150442450
7220101066
oct62251236
926738543
1013193886
1174a1842
124503426
13296c544
141a763a6
151259476
hexc9529e

13193886 has 8 divisors (see below), whose sum is σ = 26387784. Its totient is φ = 4397960.

The previous prime is 13193863. The next prime is 13193893. The reversal of 13193886 is 68839131.

13193886 is digitally balanced in base 2, because in such base 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.

13193886 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099485 + ... + 1099496.

It is an arithmetic number, because the mean of its divisors is an integer number (3298473).

Almost surely, 213193886 is an apocalyptic number.

13193886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13193886 is a wasteful number, since it uses less digits than its factorization.

13193886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198986.

The product of its digits is 31104, while the sum is 39.

The square root of 13193886 is about 3632.3389159053. The cubic root of 13193886 is about 236.2966560524.

The spelling of 13193886 in words is "thirteen million, one hundred ninety-three thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 2198981 4397962 6596943 13193886