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13065434 = 219733161
BaseRepresentation
bin110001110101…
…110011011010
3220120210101222
4301311303122
511321043214
61144012042
7216024434
oct61656332
926523358
1013065434
117414288
124461022
132925c35
141a41654
15123138e
hexc75cda

13065434 has 8 divisors (see below), whose sum is σ = 19698228. Its totient is φ = 6499360.

The previous prime is 13065433. The next prime is 13065443. The reversal of 13065434 is 43456031.

It can be written as a sum of positive squares in 2 ways, for example, as 8850625 + 4214809 = 2975^2 + 2053^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13065431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16187 + ... + 16974.

Almost surely, 213065434 is an apocalyptic number.

13065434 is a deficient number, since it is larger than the sum of its proper divisors (6632794).

13065434 is a wasteful number, since it uses less digits than its factorization.

13065434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33360.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 13065434 is about 3614.6139489578. The cubic root of 13065434 is about 235.5273144452.

The spelling of 13065434 in words is "thirteen million, sixty-five thousand, four hundred thirty-four".

Divisors: 1 2 197 394 33161 66322 6532717 13065434