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69500489 is a prime number
BaseRepresentation
bin1000010010001…
…11111001001001
311211202222202012
410021013321021
5120243003424
610521345305
71502513222
oct411077111
9154688665
1069500489
113625a823
121b338235
1311525366
149332249
15617cb0e
hex4247e49

69500489 has 2 divisors, whose sum is σ = 69500490. Its totient is φ = 69500488.

The previous prime is 69500477. The next prime is 69500527. The reversal of 69500489 is 98400596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65480464 + 4020025 = 8092^2 + 2005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69500489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69500449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34750244 + 34750245.

It is an arithmetic number, because the mean of its divisors is an integer number (34750245).

Almost surely, 269500489 is an apocalyptic number.

It is an amenable number.

69500489 is a deficient number, since it is larger than the sum of its proper divisors (1).

69500489 is an equidigital number, since it uses as much as digits as its factorization.

69500489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 69500489 is about 8336.6953284860. The cubic root of 69500489 is about 411.1458901968.

The spelling of 69500489 in words is "sixty-nine million, five hundred thousand, four hundred eighty-nine".