Base | Representation |
---|---|
bin | 11000011100100… |
… | …10010110001000 |
3 | 112021212201120002 |
4 | 30032102112020 |
5 | 404444244002 |
6 | 32203222132 |
7 | 5040036554 |
oct | 1416222610 |
9 | 467781502 |
10 | 205071752 |
11 | a5837496 |
12 | 58817948 |
13 | 33641942 |
14 | 1d342864 |
15 | 1300c002 |
hex | c392588 |
205071752 has 36 divisors (see below), whose sum is σ = 395682885. Its totient is φ = 99639840.
The previous prime is 205071743. The next prime is 205071781. The reversal of 205071752 is 257170502.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 138909796 + 66161956 = 11786^2 + 8134^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=10126.
It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 2470703 + ... + 2470785.
Almost surely, 2205071752 is an apocalyptic number.
It is an amenable number.
205071752 is a deficient number, since it is larger than the sum of its proper divisors (190611133).
205071752 is an frugal number, since it uses more digits than its factorization.
205071752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294 (or 146 counting only the distinct ones).
The product of its (nonzero) digits is 4900, while the sum is 29.
The square root of 205071752 is about 14320.3265325900. The cubic root of 205071752 is about 589.7056388564.
The spelling of 205071752 in words is "two hundred five million, seventy-one thousand, seven hundred fifty-two".
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