Base | Representation |
---|---|
bin | 11101001000010… |
… | …100100000100001 |
3 | 1021001121120101012 |
4 | 131020110200201 |
5 | 2000103023132 |
6 | 120254550305 |
7 | 15053024603 |
oct | 3510244041 |
9 | 1231546335 |
10 | 488720417 |
11 | 230962979 |
12 | 117808395 |
13 | 7a335ca3 |
14 | 48c9b173 |
15 | 2cd8b0b2 |
hex | 1d214821 |
488720417 has 2 divisors, whose sum is σ = 488720418. Its totient is φ = 488720416.
The previous prime is 488720411. The next prime is 488720431. The reversal of 488720417 is 714027884.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 352087696 + 136632721 = 18764^2 + 11689^2 .
It is a cyclic number.
It is not a de Polignac number, because 488720417 - 212 = 488716321 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (488720411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244360208 + 244360209.
It is an arithmetic number, because the mean of its divisors is an integer number (244360209).
Almost surely, 2488720417 is an apocalyptic number.
It is an amenable number.
488720417 is a deficient number, since it is larger than the sum of its proper divisors (1).
488720417 is an equidigital number, since it uses as much as digits as its factorization.
488720417 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 100352, while the sum is 41.
The square root of 488720417 is about 22107.0218935070. The cubic root of 488720417 is about 787.6866668270.
The spelling of 488720417 in words is "four hundred eighty-eight million, seven hundred twenty thousand, four hundred seventeen".
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