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489030307 is a prime number
BaseRepresentation
bin11101001001100…
…000001010100011
31021002012022110121
4131021200022203
52000142432212
6120305341111
715055455223
oct3511401243
91232168417
10489030307
11231054787
12117937797
137a41405c
1448d3c083
152cdecd07
hex1d2602a3

489030307 has 2 divisors, whose sum is σ = 489030308. Its totient is φ = 489030306.

The previous prime is 489030299. The next prime is 489030331. The reversal of 489030307 is 703030984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489030307 - 23 = 489030299 is a prime.

It is a super-3 number, since 3×4890303073 (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (489030397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244515153 + 244515154.

It is an arithmetic number, because the mean of its divisors is an integer number (244515154).

Almost surely, 2489030307 is an apocalyptic number.

489030307 is a deficient number, since it is larger than the sum of its proper divisors (1).

489030307 is an equidigital number, since it uses as much as digits as its factorization.

489030307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 489030307 is about 22114.0296418360. The cubic root of 489030307 is about 787.8531182638.

The spelling of 489030307 in words is "four hundred eighty-nine million, thirty thousand, three hundred seven".