Base | Representation |
---|---|
bin | 11011111010111… |
… | …110001110111001 |
3 | 1012122110102111002 |
4 | 123322332032321 |
5 | 1424410202324 |
6 | 114252214345 |
7 | 14415465131 |
oct | 3372761671 |
9 | 1178412432 |
10 | 468444089 |
11 | 220473a83 |
12 | 110a6a3b5 |
13 | 76086b69 |
14 | 462ddac1 |
15 | 2b1d33ae |
hex | 1bebe3b9 |
468444089 has 2 divisors, whose sum is σ = 468444090. Its totient is φ = 468444088.
The previous prime is 468444083. The next prime is 468444091. The reversal of 468444089 is 980444864.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 243204025 + 225240064 = 15595^2 + 15008^2 .
It is a cyclic number.
It is not a de Polignac number, because 468444089 - 24 = 468444073 is a prime.
It is a Sophie Germain prime.
Together with 468444091, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (468444083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234222044 + 234222045.
It is an arithmetic number, because the mean of its divisors is an integer number (234222045).
Almost surely, 2468444089 is an apocalyptic number.
It is an amenable number.
468444089 is a deficient number, since it is larger than the sum of its proper divisors (1).
468444089 is an equidigital number, since it uses as much as digits as its factorization.
468444089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 884736, while the sum is 47.
The square root of 468444089 is about 21643.5692296811. The cubic root of 468444089 is about 776.6391054298.
The spelling of 468444089 in words is "four hundred sixty-eight million, four hundred forty-four thousand, eighty-nine".
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