Base | Representation |
---|---|
bin | 11000011110010… |
… | …01010100000101 |
3 | 112022022011101221 |
4 | 30033021110011 |
5 | 410024000101 |
6 | 32212120341 |
7 | 5041665145 |
oct | 1417112405 |
9 | 468264357 |
10 | 205296901 |
11 | a5980667 |
12 | 589060b1 |
13 | 336c0274 |
14 | 1d3a0925 |
15 | 13053aa1 |
hex | c3c9505 |
205296901 has 2 divisors, whose sum is σ = 205296902. Its totient is φ = 205296900.
The previous prime is 205296899. The next prime is 205296929. The reversal of 205296901 is 109692502.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 172291876 + 33005025 = 13126^2 + 5745^2 .
It is a cyclic number.
It is not a de Polignac number, because 205296901 - 21 = 205296899 is a prime.
Together with 205296899, it forms a pair of twin primes.
It is equal to p11355937 and since 205296901 and 11355937 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (205296001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102648450 + 102648451.
It is an arithmetic number, because the mean of its divisors is an integer number (102648451).
Almost surely, 2205296901 is an apocalyptic number.
It is an amenable number.
205296901 is a deficient number, since it is larger than the sum of its proper divisors (1).
205296901 is an equidigital number, since it uses as much as digits as its factorization.
205296901 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9720, while the sum is 34.
The square root of 205296901 is about 14328.1855445831. The cubic root of 205296901 is about 589.9213732242.
The spelling of 205296901 in words is "two hundred five million, two hundred ninety-six thousand, nine hundred one".
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