Base | Representation |
---|---|
bin | 11101001001000… |
… | …111111101111101 |
3 | 1021002000021111212 |
4 | 131021013331331 |
5 | 2000131244242 |
6 | 120303254205 |
7 | 15054563246 |
oct | 3511077575 |
9 | 1232007455 |
10 | 488931197 |
11 | 230a97277 |
12 | 1178aa365 |
13 | 7a3aac01 |
14 | 48d13ccd |
15 | 2cdcd782 |
hex | 1d247f7d |
488931197 has 2 divisors, whose sum is σ = 488931198. Its totient is φ = 488931196.
The previous prime is 488931193. The next prime is 488931221. The reversal of 488931197 is 791139884.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 477466201 + 11464996 = 21851^2 + 3386^2 .
It is a cyclic number.
It is not a de Polignac number, because 488931197 - 22 = 488931193 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (488931193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244465598 + 244465599.
It is an arithmetic number, because the mean of its divisors is an integer number (244465599).
Almost surely, 2488931197 is an apocalyptic number.
It is an amenable number.
488931197 is a deficient number, since it is larger than the sum of its proper divisors (1).
488931197 is an equidigital number, since it uses as much as digits as its factorization.
488931197 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 435456, while the sum is 50.
The square root of 488931197 is about 22111.7886431650. The cubic root of 488931197 is about 787.7998908891.
The spelling of 488931197 in words is "four hundred eighty-eight million, nine hundred thirty-one thousand, one hundred ninety-seven".
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