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489701293 is a prime number
BaseRepresentation
bin11101001100000…
…011111110101101
31021010110101212221
4131030003332231
52000330420133
6120331555341
715064251364
oct3514037655
91233411787
10489701293
11231472914
12117bbbb51
137a5ba5a3
14490747db
152ced1a2d
hex1d303fad

489701293 has 2 divisors, whose sum is σ = 489701294. Its totient is φ = 489701292.

The previous prime is 489701273. The next prime is 489701347. The reversal of 489701293 is 392107984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433180969 + 56520324 = 20813^2 + 7518^2 .

It is a cyclic number.

It is not a de Polignac number, because 489701293 - 221 = 487604141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489701213) 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, 244850646 + 244850647.

It is an arithmetic number, because the mean of its divisors is an integer number (244850647).

Almost surely, 2489701293 is an apocalyptic number.

It is an amenable number.

489701293 is a deficient number, since it is larger than the sum of its proper divisors (1).

489701293 is an equidigital number, since it uses as much as digits as its factorization.

489701293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 489701293 is about 22129.1954892174. The cubic root of 489701293 is about 788.2132846393.

The spelling of 489701293 in words is "four hundred eighty-nine million, seven hundred one thousand, two hundred ninety-three".