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13067434 = 26533717
BaseRepresentation
bin110001110110…
…010010101010
3220120220011001
4301312102222
511321124214
61144025214
7216033322
oct61662252
926526131
1013067434
117415836
12446220a
132926b13
141a42282
151231c74
hexc764aa

13067434 has 4 divisors (see below), whose sum is σ = 19601154. Its totient is φ = 6533716.

The previous prime is 13067423. The next prime is 13067447. The reversal of 13067434 is 43476031.

13067434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43476031 = 411060391.

It can be written as a sum of positive squares in only one way, i.e., 8720209 + 4347225 = 2953^2 + 2085^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3266857 + ... + 3266860.

Almost surely, 213067434 is an apocalyptic number.

13067434 is a deficient number, since it is larger than the sum of its proper divisors (6533720).

13067434 is an equidigital number, since it uses as much as digits as its factorization.

13067434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533719.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 13067434 is about 3614.8905930885. The cubic root of 13067434 is about 235.5393316655.

The spelling of 13067434 in words is "thirteen million, sixty-seven thousand, four hundred thirty-four".

Divisors: 1 2 6533717 13067434