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488720417 is a prime number
BaseRepresentation
bin11101001000010…
…100100000100001
31021001121120101012
4131020110200201
52000103023132
6120254550305
715053024603
oct3510244041
91231546335
10488720417
11230962979
12117808395
137a335ca3
1448c9b173
152cd8b0b2
hex1d214821

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".