Base | Representation |
---|---|
bin | 11000101010000… |
… | …10110010010100 |
3 | 112102012201021220 |
4 | 30111002302110 |
5 | 410422434103 |
6 | 32305210340 |
7 | 5061064620 |
oct | 1425026224 |
9 | 472181256 |
10 | 206843028 |
11 | a6837257 |
12 | 593309b0 |
13 | 33b11c32 |
14 | 1d684180 |
15 | 1325bc53 |
hex | c542c94 |
206843028 has 48 divisors (see below), whose sum is σ = 553943040. Its totient is φ = 58845024.
The previous prime is 206842969. The next prime is 206843041. The reversal of 206843028 is 820348602.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 206843028.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 14925 + ... + 25227.
It is an arithmetic number, because the mean of its divisors is an integer number (11540480).
Almost surely, 2206843028 is an apocalyptic number.
206843028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
206843028 is an abundant number, since it is smaller than the sum of its proper divisors (347100012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206843028 is a wasteful number, since it uses less digits than its factorization.
206843028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10556 (or 10554 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 33.
The square root of 206843028 is about 14382.0383812588. The cubic root of 206843028 is about 591.3986047835.
The spelling of 206843028 in words is "two hundred six million, eight hundred forty-three thousand, twenty-eight".
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