Base | Representation |
---|---|
bin | 111101111101… |
… | …100101111111 |
3 | 1010120020022020 |
4 | 331331211333 |
5 | 13124234241 |
6 | 1340051223 |
7 | 255030615 |
oct | 75754577 |
9 | 33506266 |
10 | 16243071 |
11 | 9194729 |
12 | 5533b13 |
13 | 34993b0 |
14 | 222b6b5 |
15 | 165cb66 |
hex | f7d97f |
16243071 has 16 divisors (see below), whose sum is σ = 23543520. Its totient is φ = 9901440.
The previous prime is 16243067. The next prime is 16243079. The reversal of 16243071 is 17034261.
It is not a de Polignac number, because 16243071 - 22 = 16243067 is a prime.
It is a super-2 number, since 2×162430712 = 527674711022082, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16243079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2341 + ... + 6161.
It is an arithmetic number, because the mean of its divisors is an integer number (1471470).
Almost surely, 216243071 is an apocalyptic number.
16243071 is a deficient number, since it is larger than the sum of its proper divisors (7300449).
16243071 is a wasteful number, since it uses less digits than its factorization.
16243071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3946.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 16243071 is about 4030.2693458378. The cubic root of 16243071 is about 253.2538449061.
The spelling of 16243071 in words is "sixteen million, two hundred forty-three thousand, seventy-one".
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