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712586489 is a prime number
BaseRepresentation
bin101010011110010…
…011010011111001
31211122212010220012
4222132103103321
52424410231424
6154413111305
723441612426
oct5236232371
91748763805
10712586489
1133626685a
1217a788535
13b4828314
146a8d2d4d
154285bb0e
hex2a7934f9

712586489 has 2 divisors, whose sum is σ = 712586490. Its totient is φ = 712586488.

The previous prime is 712586449. The next prime is 712586503. The reversal of 712586489 is 984685217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692110864 + 20475625 = 26308^2 + 4525^2 .

It is a cyclic number.

It is not a de Polignac number, because 712586489 - 228 = 444151033 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (712586449) 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, 356293244 + 356293245.

It is an arithmetic number, because the mean of its divisors is an integer number (356293245).

Almost surely, 2712586489 is an apocalyptic number.

It is an amenable number.

712586489 is a deficient number, since it is larger than the sum of its proper divisors (1).

712586489 is an equidigital number, since it uses as much as digits as its factorization.

712586489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 50.

The square root of 712586489 is about 26694.3156683216. The cubic root of 712586489 is about 893.1941319669.

The spelling of 712586489 in words is "seven hundred twelve million, five hundred eighty-six thousand, four hundred eighty-nine".