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13678244 = 2233110331
BaseRepresentation
bin110100001011…
…011010100100
3221201221000122
4310023122210
512000200434
61205101112
7224156156
oct64133244
927657018
1013678244
1177a2738
1246b7798
132aabb48
141b60ad6
151302c2e
hexd0b6a4

13678244 has 12 divisors (see below), whose sum is σ = 24011568. Its totient is φ = 6817800.

The previous prime is 13678243. The next prime is 13678253. The reversal of 13678244 is 44287631.

It is not an unprimeable number, because it can be changed into a prime (13678241) by changing a digit.

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, 3842 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (2000964).

Almost surely, 213678244 is an apocalyptic number.

It is an amenable number.

13678244 is a deficient number, since it is larger than the sum of its proper divisors (10333324).

13678244 is a wasteful number, since it uses less digits than its factorization.

13678244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666 (or 10664 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 13678244 is about 3698.4110101502. The cubic root of 13678244 is about 239.1535226231.

The spelling of 13678244 in words is "thirteen million, six hundred seventy-eight thousand, two hundred forty-four".

Divisors: 1 2 4 331 662 1324 10331 20662 41324 3419561 6839122 13678244