Base | Representation |
---|---|
bin | 111110101110… |
… | …011010100010 |
3 | 1010221101121120 |
4 | 332232122202 |
5 | 13202134132 |
6 | 1344233110 |
7 | 256522620 |
oct | 76563242 |
9 | 33841546 |
10 | 16443042 |
11 | 93109a0 |
12 | 560b796 |
13 | 3539415 |
14 | 2280510 |
15 | 169c02c |
hex | fae6a2 |
16443042 has 32 divisors (see below), whose sum is σ = 41001984. Its totient is φ = 4270800.
The previous prime is 16443041. The next prime is 16443061. The reversal of 16443042 is 24034461.
Added to its reverse (24034461) it gives a triangular number (40477503 = T8997).
It is a super-3 number, since 3×164430423 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (16443041) 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, 17334 + ... + 18257.
It is an arithmetic number, because the mean of its divisors is an integer number (1281312).
Almost surely, 216443042 is an apocalyptic number.
16443042 is an abundant number, since it is smaller than the sum of its proper divisors (24558942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16443042 is a wasteful number, since it uses less digits than its factorization.
16443042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35614.
The product of its (nonzero) digits is 2304, while the sum is 24.
The square root of 16443042 is about 4055.0020961770. The cubic root of 16443042 is about 254.2888915445.
Adding to 16443042 its reverse (24034461), we get a triangular number (40477503 = T8997).
The spelling of 16443042 in words is "sixteen million, four hundred forty-three thousand, forty-two".
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