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297623089 is a prime number
BaseRepresentation
bin10001101111010…
…101111000110001
3202202000211010101
4101233111320301
51102142414324
645311032401
710242516541
oct2157257061
9682024111
10297623089
111430006a5
128380b701
1349877c4a
142b755321
151b1de944
hex11bd5e31

297623089 has 2 divisors, whose sum is σ = 297623090. Its totient is φ = 297623088.

The previous prime is 297623071. The next prime is 297623107. The reversal of 297623089 is 980326792.

It is a balanced prime because it is at equal distance from previous prime (297623071) and next prime (297623107).

It can be written as a sum of positive squares in only one way, i.e., 286286400 + 11336689 = 16920^2 + 3367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-297623089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (297623009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148811544 + 148811545.

It is an arithmetic number, because the mean of its divisors is an integer number (148811545).

Almost surely, 2297623089 is an apocalyptic number.

It is an amenable number.

297623089 is a deficient number, since it is larger than the sum of its proper divisors (1).

297623089 is an equidigital number, since it uses as much as digits as its factorization.

297623089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 297623089 is about 17251.7561135091. The cubic root of 297623089 is about 667.6602795589.

The spelling of 297623089 in words is "two hundred ninety-seven million, six hundred twenty-three thousand, eighty-nine".