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297242069 is a prime number
BaseRepresentation
bin10001101101111…
…000110111010101
3202201022110110112
4101231320313111
51102043221234
645254532405
710236341645
oct2155706725
9681273415
10297242069
11142870403
1283667105
13497736a7
142b696525
151b166ace
hex11b78dd5

297242069 has 2 divisors, whose sum is σ = 297242070. Its totient is φ = 297242068.

The previous prime is 297242063. The next prime is 297242089. The reversal of 297242069 is 960242792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194463025 + 102779044 = 13945^2 + 10138^2 .

It is a cyclic number.

It is not a de Polignac number, because 297242069 - 216 = 297176533 is a prime.

It is a super-2 number, since 2×2972420692 = 176705695166801522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (297242063) 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, 148621034 + 148621035.

It is an arithmetic number, because the mean of its divisors is an integer number (148621035).

Almost surely, 2297242069 is an apocalyptic number.

It is an amenable number.

297242069 is a deficient number, since it is larger than the sum of its proper divisors (1).

297242069 is an equidigital number, since it uses as much as digits as its factorization.

297242069 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 41.

The square root of 297242069 is about 17240.7096431672. The cubic root of 297242069 is about 667.3752428074.

The spelling of 297242069 in words is "two hundred ninety-seven million, two hundred forty-two thousand, sixty-nine".