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13675865 = 57390739
BaseRepresentation
bin110100001010…
…110101011001
3221201210202112
4310022311121
512000111430
61205042105
7224146220
oct64126531
927653675
1013675865
1177a0975
1246b6335
132aaaa38
141b5dcb7
151302195
hexd0ad59

13675865 has 8 divisors (see below), whose sum is σ = 18755520. Its totient is φ = 9377712.

The previous prime is 13675861. The next prime is 13675873. The reversal of 13675865 is 56857631.

13675865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13675865 - 22 = 13675861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13675861) 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, 195335 + ... + 195404.

It is an arithmetic number, because the mean of its divisors is an integer number (2344440).

Almost surely, 213675865 is an apocalyptic number.

It is an amenable number.

13675865 is a deficient number, since it is larger than the sum of its proper divisors (5079655).

13675865 is an equidigital number, since it uses as much as digits as its factorization.

13675865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390751.

The product of its digits is 151200, while the sum is 41.

The square root of 13675865 is about 3698.0893715539. The cubic root of 13675865 is about 239.1396568272.

The spelling of 13675865 in words is "thirteen million, six hundred seventy-five thousand, eight hundred sixty-five".

Divisors: 1 5 7 35 390739 1953695 2735173 13675865