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488478491 is a prime number
BaseRepresentation
bin11101000111011…
…001011100011011
31021001011021111222
4131013121130123
52000022302431
6120245442255
715050666354
oct3507313433
91231137458
10488478491
11230808136
1211771038b
137a27cb37
1448c36d2b
152cd3e57b
hex1d1d971b

488478491 has 2 divisors, whose sum is σ = 488478492. Its totient is φ = 488478490.

The previous prime is 488478479. The next prime is 488478503. The reversal of 488478491 is 194874884.

It is a balanced prime because it is at equal distance from previous prime (488478479) and next prime (488478503).

It is a cyclic number.

It is not a de Polignac number, because 488478491 - 210 = 488477467 is a prime.

It is a super-2 number, since 2×4884784912 = 477222472339274162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (488478451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244239245 + 244239246.

It is an arithmetic number, because the mean of its divisors is an integer number (244239246).

Almost surely, 2488478491 is an apocalyptic number.

488478491 is a deficient number, since it is larger than the sum of its proper divisors (1).

488478491 is an equidigital number, since it uses as much as digits as its factorization.

488478491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2064384, while the sum is 53.

The square root of 488478491 is about 22101.5495158145. The cubic root of 488478491 is about 787.5566720280.

The spelling of 488478491 in words is "four hundred eighty-eight million, four hundred seventy-eight thousand, four hundred ninety-one".