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13679871 = 323198259
BaseRepresentation
bin110100001011…
…110011111111
3221202000020220
4310023303333
512000223441
61205112423
7224164002
oct64136377
927660226
1013679871
1177a3987
1246b8713
132aac7ca
141b61539
151303466
hexd0bcff

13679871 has 8 divisors (see below), whose sum is σ = 19032960. Its totient is φ = 8723352.

The previous prime is 13679833. The next prime is 13679873. The reversal of 13679871 is 17897631.

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

It is not a de Polignac number, because 13679871 - 214 = 13663487 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13679873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99061 + ... + 99198.

It is an arithmetic number, because the mean of its divisors is an integer number (2379120).

Almost surely, 213679871 is an apocalyptic number.

13679871 is a deficient number, since it is larger than the sum of its proper divisors (5353089).

13679871 is a wasteful number, since it uses less digits than its factorization.

13679871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198285.

The product of its digits is 63504, while the sum is 42.

The square root of 13679871 is about 3698.6309629375. The cubic root of 13679871 is about 239.1630045263.

The spelling of 13679871 in words is "thirteen million, six hundred seventy-nine thousand, eight hundred seventy-one".

Divisors: 1 3 23 69 198259 594777 4559957 13679871