Base | Representation |
---|---|
bin | 100000000011… |
… | …1100100010100 |
3 | 1011121221112101 |
4 | 1000013210110 |
5 | 13300330322 |
6 | 1400131444 |
7 | 262603351 |
oct | 100074424 |
9 | 34557471 |
10 | 16808212 |
11 | 9540293 |
12 | 5766b84 |
13 | 36366b5 |
14 | 2337628 |
15 | 1720327 |
hex | 1007914 |
16808212 has 18 divisors (see below), whose sum is σ = 30299262. Its totient is φ = 8152704.
The previous prime is 16808171. The next prime is 16808213. The reversal of 16808212 is 21280861.
It can be written as a sum of positive squares in 3 ways, for example, as 2322576 + 14485636 = 1524^2 + 3806^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16808213) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49708 + ... + 50044.
Almost surely, 216808212 is an apocalyptic number.
It is an amenable number.
16808212 is a deficient number, since it is larger than the sum of its proper divisors (13491050).
16808212 is an equidigital number, since it uses as much as digits as its factorization.
16808212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 715 (or 376 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 16808212 is about 4099.7819454210. The cubic root of 16808212 is about 256.1575568194.
It can be divided in two parts, 16808 and 212, that added together give a triangular number (17020 = T184).
The spelling of 16808212 in words is "sixteen million, eight hundred eight thousand, two hundred twelve".
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