Base | Representation |
---|---|
bin | 11000100101001… |
… | …11100111101111 |
3 | 112101000102110202 |
4 | 30102213213233 |
5 | 410242114341 |
6 | 32243424115 |
7 | 5052506651 |
oct | 1422474757 |
9 | 471012422 |
10 | 206207471 |
11 | a64427a8 |
12 | 5908503b |
13 | 3394b872 |
14 | 1d55a6d1 |
15 | 1318379b |
hex | c4a79ef |
206207471 has 8 divisors (see below), whose sum is σ = 214570944. Its totient is φ = 198009760.
The previous prime is 206207447. The next prime is 206207497. The reversal of 206207471 is 174702602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 206207471 - 222 = 202013167 is a prime.
It is a super-3 number, since 3×2062074713 (a number of 26 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (206207971) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38900 + ... + 43881.
It is an arithmetic number, because the mean of its divisors is an integer number (26821368).
Almost surely, 2206207471 is an apocalyptic number.
206207471 is a deficient number, since it is larger than the sum of its proper divisors (8363473).
206207471 is an equidigital number, since it uses as much as digits as its factorization.
206207471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82881.
The product of its (nonzero) digits is 4704, while the sum is 29.
The square root of 206207471 is about 14359.9258702822. The cubic root of 206207471 is about 590.7922622905.
The spelling of 206207471 in words is "two hundred six million, two hundred seven thousand, four hundred seventy-one".
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