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13683434 = 253129089
BaseRepresentation
bin110100001100…
…101011101010
3221202012010212
4310030223222
512000332214
61205141122
7224210252
oct64145352
927665125
1013683434
1177a6626
1246ba7a2
132ab130b
141b62962
15130453e
hexd0caea

13683434 has 8 divisors (see below), whose sum is σ = 20912580. Its totient is φ = 6712576.

The previous prime is 13683433. The next prime is 13683443. The reversal of 13683434 is 43438631.

13683434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13667809 + 15625 = 3697^2 + 125^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13683434.

It is not an unprimeable number, because it can be changed into a prime (13683433) 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, 64439 + ... + 64650.

Almost surely, 213683434 is an apocalyptic number.

13683434 is a deficient number, since it is larger than the sum of its proper divisors (7229146).

13683434 is a wasteful number, since it uses less digits than its factorization.

13683434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129144.

The product of its digits is 20736, while the sum is 32.

The square root of 13683434 is about 3699.1125962858. The cubic root of 13683434 is about 239.1837665109.

The spelling of 13683434 in words is "thirteen million, six hundred eighty-three thousand, four hundred thirty-four".

Divisors: 1 2 53 106 129089 258178 6841717 13683434