Base | Representation |
---|---|
bin | 11000010100100… |
… | …00010110011001 |
3 | 112012220000222011 |
4 | 30022100112121 |
5 | 404211440001 |
6 | 32124425521 |
7 | 5025045631 |
oct | 1412202631 |
9 | 465800864 |
10 | 204015001 |
11 | a5185543 |
12 | 583a82a1 |
13 | 33361948 |
14 | 1d1496c1 |
15 | 12d9dd51 |
hex | c290599 |
204015001 has 2 divisors, whose sum is σ = 204015002. Its totient is φ = 204015000.
The previous prime is 204014981. The next prime is 204015013. The reversal of 204015001 is 100510402.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 108659776 + 95355225 = 10424^2 + 9765^2 .
It is a cyclic number.
It is not a de Polignac number, because 204015001 - 217 = 203883929 is a prime.
It is not a weakly prime, because it can be changed into another prime (204015101) by changing a digit.
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 as a sum of consecutive naturals, namely, 102007500 + 102007501.
It is an arithmetic number, because the mean of its divisors is an integer number (102007501).
Almost surely, 2204015001 is an apocalyptic number.
It is an amenable number.
204015001 is a deficient number, since it is larger than the sum of its proper divisors (1).
204015001 is an equidigital number, since it uses as much as digits as its factorization.
204015001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 40, while the sum is 13.
The square root of 204015001 is about 14283.3819874706. The cubic root of 204015001 is about 588.6909606429.
Adding to 204015001 its reverse (100510402), we get a palindrome (304525403).
The spelling of 204015001 in words is "two hundred four million, fifteen thousand, one".
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