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13434687 = 337312293
BaseRepresentation
bin110011001111…
…111100111111
3221021112221000
4303033330333
511414402222
61155541343
7222123120
oct63177477
927245830
1013434687
117646752
1245ba853
132a25026
141ada047
1512a59ac
hexccff3f

13434687 has 32 divisors (see below), whose sum is σ = 23490560. Its totient is φ = 7426080.

The previous prime is 13434679. The next prime is 13434697. The reversal of 13434687 is 78643431.

It is not a de Polignac number, because 13434687 - 23 = 13434679 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4713 + ... + 7005.

It is an arithmetic number, because the mean of its divisors is an integer number (734080).

Almost surely, 213434687 is an apocalyptic number.

13434687 is a deficient number, since it is larger than the sum of its proper divisors (10055873).

13434687 is a wasteful number, since it uses less digits than its factorization.

13434687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340 (or 2334 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 13434687 is about 3665.3358645559. The cubic root of 13434687 is about 237.7255445594.

The spelling of 13434687 in words is "thirteen million, four hundred thirty-four thousand, six hundred eighty-seven".

Divisors: 1 3 7 9 21 27 31 63 93 189 217 279 651 837 1953 2293 5859 6879 16051 20637 48153 61911 71083 144459 213249 433377 497581 639747 1492743 1919241 4478229 13434687