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230722697 is a prime number
BaseRepresentation
bin11011100000010…
…00110010001001
3121002010221001002
431300020302021
5433031111242
634521104345
75501052632
oct1560106211
9532127032
10230722697
11109267417
12653280b5
1338a5320a
14228dc889
15153c7432
hexdc08c89

230722697 has 2 divisors, whose sum is σ = 230722698. Its totient is φ = 230722696.

The previous prime is 230722673. The next prime is 230722699. The reversal of 230722697 is 796227032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226924096 + 3798601 = 15064^2 + 1949^2 .

It is a cyclic number.

It is not a de Polignac number, because 230722697 - 214 = 230706313 is a prime.

Together with 230722699, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230722697.

It is not a weakly prime, because it can be changed into another prime (230722699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115361348 + 115361349.

It is an arithmetic number, because the mean of its divisors is an integer number (115361349).

Almost surely, 2230722697 is an apocalyptic number.

It is an amenable number.

230722697 is a deficient number, since it is larger than the sum of its proper divisors (1).

230722697 is an equidigital number, since it uses as much as digits as its factorization.

230722697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 230722697 is about 15189.5588151862. The cubic root of 230722697 is about 613.3336227616. Note that the first 3 decimals are identical.

The spelling of 230722697 in words is "two hundred thirty million, seven hundred twenty-two thousand, six hundred ninety-seven".