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13676478 = 232279413
BaseRepresentation
bin110100001010…
…111110111110
3221201211121020
4310022332332
512000121403
61205045010
7224151054
oct64127676
927654536
1013676478
1177a1382
1246b6766
132aab0ba
141b601d4
151302453
hexd0afbe

13676478 has 8 divisors (see below), whose sum is σ = 27352968. Its totient is φ = 4558824.

The previous prime is 13676473. The next prime is 13676497. The reversal of 13676478 is 87467631.

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

13676478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13676473) 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, 1139701 + ... + 1139712.

It is an arithmetic number, because the mean of its divisors is an integer number (3419121).

Almost surely, 213676478 is an apocalyptic number.

13676478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13676478 is a wasteful number, since it uses less digits than its factorization.

13676478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279418.

The product of its digits is 169344, while the sum is 42.

The square root of 13676478 is about 3698.1722512614. The cubic root of 13676478 is about 239.1432297985.

The spelling of 13676478 in words is "thirteen million, six hundred seventy-six thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 2279413 4558826 6838239 13676478