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489000137 is a prime number
BaseRepresentation
bin11101001001011…
…000110011001001
31021002010210002012
4131021120303021
52000141001022
6120304545305
715055301243
oct3511306311
91232123065
10489000137
1123103404a
12117922235
137a4033c2
1448d31093
152cde3de2
hex1d258cc9

489000137 has 2 divisors, whose sum is σ = 489000138. Its totient is φ = 489000136.

The previous prime is 489000133. The next prime is 489000151. The reversal of 489000137 is 731000984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336502336 + 152497801 = 18344^2 + 12349^2 .

It is a cyclic number.

It is not a de Polignac number, because 489000137 - 22 = 489000133 is a prime.

It is a super-2 number, since 2×4890001372 = 478242267972037538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (489000133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244500068 + 244500069.

It is an arithmetic number, because the mean of its divisors is an integer number (244500069).

Almost surely, 2489000137 is an apocalyptic number.

It is an amenable number.

489000137 is a deficient number, since it is larger than the sum of its proper divisors (1).

489000137 is an equidigital number, since it uses as much as digits as its factorization.

489000137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 489000137 is about 22113.3474851728. The cubic root of 489000137 is about 787.8369161205.

The spelling of 489000137 in words is "four hundred eighty-nine million, one hundred thirty-seven", and thus it is an aban number.