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13679311 = 61224251
BaseRepresentation
bin110100001011…
…101011001111
3221201222111011
4310023223033
512000214221
61205110051
7224162242
oct64135317
927658434
1013679311
1177a3518
1246b8327
132aac489
141b61259
1513031e1
hexd0bacf

13679311 has 4 divisors (see below), whose sum is σ = 13903624. Its totient is φ = 13455000.

The previous prime is 13679293. The next prime is 13679321. The reversal of 13679311 is 11397631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13679311 - 25 = 13679279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13679321) 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, 112065 + ... + 112186.

It is an arithmetic number, because the mean of its divisors is an integer number (3475906).

Almost surely, 213679311 is an apocalyptic number.

13679311 is a deficient number, since it is larger than the sum of its proper divisors (224313).

13679311 is an equidigital number, since it uses as much as digits as its factorization.

13679311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224312.

The product of its digits is 3402, while the sum is 31.

The square root of 13679311 is about 3698.5552584759. Note that the first 3 decimals coincide. The cubic root of 13679311 is about 239.1597410182.

The spelling of 13679311 in words is "thirteen million, six hundred seventy-nine thousand, three hundred eleven".

Divisors: 1 61 224251 13679311