Base | Representation |
---|---|
bin | 11000011101100… |
… | …00100010111011 |
3 | 112022010000020112 |
4 | 30032300202323 |
5 | 410012223301 |
6 | 32210014535 |
7 | 5041063316 |
oct | 1416604273 |
9 | 468100215 |
10 | 205195451 |
11 | a591141a |
12 | 5887744b |
13 | 33686036 |
14 | 1d37597d |
15 | 130339bb |
hex | c3b08bb |
205195451 has 8 divisors (see below), whose sum is σ = 214315440. Its totient is φ = 196263648.
The previous prime is 205195433. The next prime is 205195519. The reversal of 205195451 is 154591502.
205195451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 205195451 - 210 = 205194427 is a prime.
It is a super-2 number, since 2×2051954512 = 84210346222186802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (205135451) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44816 + ... + 49181.
It is an arithmetic number, because the mean of its divisors is an integer number (26789430).
Almost surely, 2205195451 is an apocalyptic number.
205195451 is a deficient number, since it is larger than the sum of its proper divisors (9119989).
205195451 is an equidigital number, since it uses as much as digits as its factorization.
205195451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94093.
The product of its (nonzero) digits is 9000, while the sum is 32.
The square root of 205195451 is about 14324.6448821603. The cubic root of 205195451 is about 589.8241849019.
The spelling of 205195451 in words is "two hundred five million, one hundred ninety-five thousand, four hundred fifty-one".
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