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13678684 = 2210633217
BaseRepresentation
bin110100001011…
…100001011100
3221201221121221
4310023201130
512000204214
61205103124
7224160355
oct64134134
927657557
1013678684
1177a2aa8
1246b7aa4
132aac0c6
141b60d2c
151302e24
hexd0b85c

13678684 has 12 divisors (see below), whose sum is σ = 23967664. Its totient is φ = 6830784.

The previous prime is 13678673. The next prime is 13678699. The reversal of 13678684 is 48687631.

It is a self number, because there is not a number n which added to its sum of digits gives 13678684.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2644 + ... + 5860.

Almost surely, 213678684 is an apocalyptic number.

It is an amenable number.

13678684 is a deficient number, since it is larger than the sum of its proper divisors (10288980).

13678684 is a wasteful number, since it uses less digits than its factorization.

13678684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 4282 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 13678684 is about 3698.4704946775. The cubic root of 13678684 is about 239.1560869489.

The spelling of 13678684 in words is "thirteen million, six hundred seventy-eight thousand, six hundred eighty-four".

Divisors: 1 2 4 1063 2126 3217 4252 6434 12868 3419671 6839342 13678684