Base | Representation |
---|---|
bin | 110100111110… |
… | …010000001111 |
3 | 222010111200001 |
4 | 310332100033 |
5 | 12023331404 |
6 | 1213345131 |
7 | 226014235 |
oct | 64762017 |
9 | 28114601 |
10 | 13886479 |
11 | 7925132 |
12 | 47981a7 |
13 | 2b52869 |
14 | 1bb6955 |
15 | 13447a4 |
hex | d3e40f |
13886479 has 8 divisors (see below), whose sum is σ = 14238720. Its totient is φ = 13536696.
The previous prime is 13886449. The next prime is 13886489. The reversal of 13886479 is 97468831.
It is a happy number.
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 13886479 - 27 = 13886351 is a prime.
It is a super-3 number, since 3×138864793 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13886429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16462 + ... + 17284.
It is an arithmetic number, because the mean of its divisors is an integer number (1779840).
Almost surely, 213886479 is an apocalyptic number.
13886479 is a deficient number, since it is larger than the sum of its proper divisors (352241).
13886479 is an equidigital number, since it uses as much as digits as its factorization.
13886479 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1229.
The product of its digits is 290304, while the sum is 46.
The square root of 13886479 is about 3726.4566279510. The cubic root of 13886479 is about 240.3610249355.
It can be divided in two parts, 13886 and 479, that added together give a triangular number (14365 = T169).
The spelling of 13886479 in words is "thirteen million, eight hundred eighty-six thousand, four hundred seventy-nine".
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