Base | Representation |
---|---|
bin | 111110110101… |
… | …010000100000 |
3 | 1010222211001201 |
4 | 332311100200 |
5 | 13204033242 |
6 | 1345010544 |
7 | 260000422 |
oct | 76652040 |
9 | 33884051 |
10 | 16471072 |
11 | 932aa62 |
12 | 5623a54 |
13 | 35490c7 |
14 | 228a812 |
15 | 16a54b7 |
hex | fb5420 |
16471072 has 24 divisors (see below), whose sum is σ = 33547500. Its totient is φ = 7951104.
The previous prime is 16471067. The next prime is 16471087. The reversal of 16471072 is 27017461.
It can be written as a sum of positive squares in 2 ways, for example, as 15397776 + 1073296 = 3924^2 + 1036^2 .
It is a nialpdrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 16471072.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7947 + ... + 9802.
Almost surely, 216471072 is an apocalyptic number.
It is an amenable number.
16471072 is an abundant number, since it is smaller than the sum of its proper divisors (17076428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16471072 is a wasteful number, since it uses less digits than its factorization.
16471072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17788 (or 17780 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 28.
The square root of 16471072 is about 4058.4568495920. The cubic root of 16471072 is about 254.4333026034.
The spelling of 16471072 in words is "sixteen million, four hundred seventy-one thousand, seventy-two".
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