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13343894 = 26671947
BaseRepresentation
bin110010111001…
…110010010110
3221002221101022
4302321302112
511404001034
61154001142
7221264324
oct62716226
927087338
1013343894
117594513
1245761b2
1329c28c5
141ab4d14
151288b2e
hexcb9c96

13343894 has 4 divisors (see below), whose sum is σ = 20015844. Its totient is φ = 6671946.

The previous prime is 13343881. The next prime is 13343899. The reversal of 13343894 is 49834331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49834331 = 379131489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13343899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335972 + ... + 3335975.

It is an arithmetic number, because the mean of its divisors is an integer number (5003961).

Almost surely, 213343894 is an apocalyptic number.

13343894 is a deficient number, since it is larger than the sum of its proper divisors (6671950).

13343894 is an equidigital number, since it uses as much as digits as its factorization.

13343894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671949.

The product of its digits is 31104, while the sum is 35.

The square root of 13343894 is about 3652.9295093117. The cubic root of 13343894 is about 237.1888090520.

The spelling of 13343894 in words is "thirteen million, three hundred forty-three thousand, eight hundred ninety-four".

Divisors: 1 2 6671947 13343894