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13986323 = 1323291613
BaseRepresentation
bin110101010110…
…101000010011
3222022120121222
4311112220103
512040030243
61215435255
7226611311
oct65265023
928276558
1013986323
11799314a
124825b2b
132b89140
141c010b1
151364168
hexd56a13

13986323 has 16 divisors (see below), whose sum is σ = 16269120. Its totient is φ = 11915904.

The previous prime is 13986311. The next prime is 13986331. The reversal of 13986323 is 32368931.

13986323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13986323 - 28 = 13986067 is a prime.

It is a super-3 number, since 3×139863233 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13986023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7865 + ... + 9477.

It is an arithmetic number, because the mean of its divisors is an integer number (1016820).

Almost surely, 213986323 is an apocalyptic number.

13986323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13986323 is a deficient number, since it is larger than the sum of its proper divisors (2282797).

13986323 is a wasteful number, since it uses less digits than its factorization.

13986323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678.

The product of its digits is 23328, while the sum is 35.

The square root of 13986323 is about 3739.8292741782. The cubic root of 13986323 is about 240.9357162844.

The spelling of 13986323 in words is "thirteen million, nine hundred eighty-six thousand, three hundred twenty-three".

Divisors: 1 13 23 29 299 377 667 1613 8671 20969 37099 46777 482287 608101 1075871 13986323