Base | Representation |
---|---|
bin | 100000001011… |
… | …0111011100110 |
3 | 1011202010212010 |
4 | 1000112323212 |
5 | 13304334032 |
6 | 1401335050 |
7 | 263255001 |
oct | 100267346 |
9 | 34663763 |
10 | 16871142 |
11 | 95835a2 |
12 | 5797486 |
13 | 3659232 |
14 | 2352538 |
15 | 1733ccc |
hex | 1016ee6 |
16871142 has 16 divisors (see below), whose sum is σ = 33870960. Its totient is φ = 5602272.
The previous prime is 16871137. The next prime is 16871143. The reversal of 16871142 is 24117861.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16871143) 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, 3613 + ... + 6840.
It is an arithmetic number, because the mean of its divisors is an integer number (2116935).
Almost surely, 216871142 is an apocalyptic number.
16871142 is an abundant number, since it is smaller than the sum of its proper divisors (16999818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16871142 is a wasteful number, since it uses less digits than its factorization.
16871142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10727.
The product of its digits is 2688, while the sum is 30.
The square root of 16871142 is about 4107.4495736406. The cubic root of 16871142 is about 256.4768435867.
The spelling of 16871142 in words is "sixteen million, eight hundred seventy-one thousand, one hundred forty-two".
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