Base | Representation |
---|---|
bin | 11101010110100… |
… | …111101010100101 |
3 | 1021022200000022221 |
4 | 131112213222211 |
5 | 2002033001101 |
6 | 120511152341 |
7 | 15126626251 |
oct | 3526475245 |
9 | 1238600287 |
10 | 492468901 |
11 | 232a931a1 |
12 | 118b156b1 |
13 | 7b049222 |
14 | 49595261 |
15 | 2d37baa1 |
hex | 1d5a7aa5 |
492468901 has 2 divisors, whose sum is σ = 492468902. Its totient is φ = 492468900.
The previous prime is 492468887. The next prime is 492468913. The reversal of 492468901 is 109864294.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 467208225 + 25260676 = 21615^2 + 5026^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-492468901 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (492468941) 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 as a sum of consecutive naturals, namely, 246234450 + 246234451.
It is an arithmetic number, because the mean of its divisors is an integer number (246234451).
Almost surely, 2492468901 is an apocalyptic number.
It is an amenable number.
492468901 is a deficient number, since it is larger than the sum of its proper divisors (1).
492468901 is an equidigital number, since it uses as much as digits as its factorization.
492468901 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 124416, while the sum is 43.
The square root of 492468901 is about 22191.6403404525. The cubic root of 492468901 is about 789.6953912965.
The spelling of 492468901 in words is "four hundred ninety-two million, four hundred sixty-eight thousand, nine hundred one".
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