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488281291 is a prime number
BaseRepresentation
bin11101000110101…
…001010011001011
31021000210021000021
4131012221103023
52000000000131
6120241321311
715046215421
oct3506512313
91230707007
10488281291
11230692a63
12117636237
137a211154
1448bc5111
152cd00e11
hex1d1a94cb

488281291 has 2 divisors, whose sum is σ = 488281292. Its totient is φ = 488281290.

The previous prime is 488281243. The next prime is 488281307. The reversal of 488281291 is 192182884.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-488281291 is a prime.

It is not a weakly prime, because it can be changed into another prime (488281201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244140645 + 244140646.

It is an arithmetic number, because the mean of its divisors is an integer number (244140646).

Almost surely, 2488281291 is an apocalyptic number.

488281291 is a deficient number, since it is larger than the sum of its proper divisors (1).

488281291 is an equidigital number, since it uses as much as digits as its factorization.

488281291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 43.

The square root of 488281291 is about 22097.0878398037. The cubic root of 488281291 is about 787.4506782245.

The spelling of 488281291 in words is "four hundred eighty-eight million, two hundred eighty-one thousand, two hundred ninety-one".