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489712529 is a prime number
BaseRepresentation
bin11101001100000…
…110101110010001
31021010110222022002
4131030012232101
52000331300104
6120332123345
715064326215
oct3514065621
91233428262
10489712529
112314802a9
12118006555
137a5c2737
1449078945
152ced501e
hex1d306b91

489712529 has 2 divisors, whose sum is σ = 489712530. Its totient is φ = 489712528.

The previous prime is 489712519. The next prime is 489712541. The reversal of 489712529 is 925217984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274796929 + 214915600 = 16577^2 + 14660^2 .

It is a cyclic number.

It is not a de Polignac number, because 489712529 - 24 = 489712513 is a prime.

It is a super-2 number, since 2×4897125292 = 479636722119151682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (489712519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244856264 + 244856265.

It is an arithmetic number, because the mean of its divisors is an integer number (244856265).

Almost surely, 2489712529 is an apocalyptic number.

It is an amenable number.

489712529 is a deficient number, since it is larger than the sum of its proper divisors (1).

489712529 is an equidigital number, since it uses as much as digits as its factorization.

489712529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 489712529 is about 22129.4493605241. The cubic root of 489712529 is about 788.2193130059.

The spelling of 489712529 in words is "four hundred eighty-nine million, seven hundred twelve thousand, five hundred twenty-nine".