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489020047 is a prime number
BaseRepresentation
bin11101001001011…
…101101010001111
31021002011210101121
4131021131222033
52000142120142
6120305221411
715055413265
oct3511355217
91232153347
10489020047
11231047aaa
12117931867
137a40c499
1448d38435
152cde9c67
hex1d25da8f

489020047 has 2 divisors, whose sum is σ = 489020048. Its totient is φ = 489020046.

The previous prime is 489020027. The next prime is 489020053. The reversal of 489020047 is 740020984.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489020047 - 211 = 489017999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489019994 and 489020021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489020017) 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, 244510023 + 244510024.

It is an arithmetic number, because the mean of its divisors is an integer number (244510024).

Almost surely, 2489020047 is an apocalyptic number.

489020047 is a deficient number, since it is larger than the sum of its proper divisors (1).

489020047 is an equidigital number, since it uses as much as digits as its factorization.

489020047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 489020047 is about 22113.7976611888. The cubic root of 489020047 is about 787.8476084284.

The spelling of 489020047 in words is "four hundred eighty-nine million, twenty thousand, forty-seven".