Base | Representation |
---|---|
bin | 110100111110… |
… | …001010111110 |
3 | 222010111012120 |
4 | 310332022332 |
5 | 12023324032 |
6 | 1213343410 |
7 | 226013244 |
oct | 64761276 |
9 | 28114176 |
10 | 13886142 |
11 | 7924956 |
12 | 4797b66 |
13 | 2b5266a |
14 | 1bb6794 |
15 | 134462c |
hex | d3e2be |
13886142 has 16 divisors (see below), whose sum is σ = 27829632. Its totient is φ = 4619160.
The previous prime is 13886141. The next prime is 13886143. The reversal of 13886142 is 24168831.
It is an interprime number because it is at equal distance from previous prime (13886141) and next prime (13886143).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13886141) 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, 1167 + ... + 5397.
It is an arithmetic number, because the mean of its divisors is an integer number (1739352).
Almost surely, 213886142 is an apocalyptic number.
13886142 is an abundant number, since it is smaller than the sum of its proper divisors (13943490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13886142 is a wasteful number, since it uses less digits than its factorization.
13886142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4783.
The product of its digits is 9216, while the sum is 33.
The square root of 13886142 is about 3726.4114104591. The cubic root of 13886142 is about 240.3590805425.
It can be divided in two parts, 13886 and 142, that added together give a triangular number (14028 = T167).
The spelling of 13886142 in words is "thirteen million, eight hundred eighty-six thousand, one hundred forty-two".
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