Base | Representation |
---|---|
bin | 11101000110101… |
… | …000110000011101 |
3 | 1021000210010221222 |
4 | 131012220300131 |
5 | 1444444412234 |
6 | 120241303125 |
7 | 15046206065 |
oct | 3506506035 |
9 | 1230703858 |
10 | 488279069 |
11 | 230691323 |
12 | 117634aa5 |
13 | 7a210135 |
14 | 48bc43a5 |
15 | 2cd0042e |
hex | 1d1a8c1d |
488279069 has 2 divisors, whose sum is σ = 488279070. Its totient is φ = 488279068.
The previous prime is 488279063. The next prime is 488279093. The reversal of 488279069 is 960972884.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 345476569 + 142802500 = 18587^2 + 11950^2 .
It is a cyclic number.
It is not a de Polignac number, because 488279069 - 216 = 488213533 is a prime.
It is a super-2 number, since 2×4882790692 = 476832898447013522, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 488279069.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (488279063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244139534 + 244139535.
It is an arithmetic number, because the mean of its divisors is an integer number (244139535).
Almost surely, 2488279069 is an apocalyptic number.
It is an amenable number.
488279069 is a deficient number, since it is larger than the sum of its proper divisors (1).
488279069 is an equidigital number, since it uses as much as digits as its factorization.
488279069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1741824, while the sum is 53.
The square root of 488279069 is about 22097.0375616280. The cubic root of 488279069 is about 787.4494837504.
The spelling of 488279069 in words is "four hundred eighty-eight million, two hundred seventy-nine thousand, sixty-nine".
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