Search a number
-
+
13143882 = 232190647
BaseRepresentation
bin110010001000…
…111101001010
3220201210000110
4302020331022
511331101012
61145415150
7216502233
oct62107512
926653013
1013143882
117468214
12449a4b6
13295285b
141a6208a
15124973c
hexc88f4a

13143882 has 8 divisors (see below), whose sum is σ = 26287776. Its totient is φ = 4381292.

The previous prime is 13143881. The next prime is 13143901. The reversal of 13143882 is 28834131.

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

13143882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13143881) 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, 1095318 + ... + 1095329.

It is an arithmetic number, because the mean of its divisors is an integer number (3285972).

Almost surely, 213143882 is an apocalyptic number.

13143882 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.

13143882 is a wasteful number, since it uses less digits than its factorization.

13143882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190652.

The product of its digits is 4608, while the sum is 30.

The square root of 13143882 is about 3625.4492135458. The cubic root of 13143882 is about 235.9977616373.

The spelling of 13143882 in words is "thirteen million, one hundred forty-three thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 2190647 4381294 6571941 13143882