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13428014 = 26714007
BaseRepresentation
bin110011001110…
…010100101110
3221021012202212
4303032110232
511414144024
61155450422
7222064505
oct63162456
927235685
1013428014
117641736
1245b6a12
132a21c92
141ad783c
1512a3a0e
hexcce52e

13428014 has 4 divisors (see below), whose sum is σ = 20142024. Its totient is φ = 6714006.

The previous prime is 13427983. The next prime is 13428049. The reversal of 13428014 is 41082431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41082431 = 133160187.

It is a congruent number.

It is an unprimeable number.

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, 3357002 + ... + 3357005.

It is an arithmetic number, because the mean of its divisors is an integer number (5035506).

Almost surely, 213428014 is an apocalyptic number.

13428014 is a deficient number, since it is larger than the sum of its proper divisors (6714010).

13428014 is an equidigital number, since it uses as much as digits as its factorization.

13428014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714009.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 13428014 is about 3664.4254665636. The cubic root of 13428014 is about 237.6861786682.

The spelling of 13428014 in words is "thirteen million, four hundred twenty-eight thousand, fourteen".

Divisors: 1 2 6714007 13428014