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69930229 is a prime number
BaseRepresentation
bin1000010101100…
…00110011110101
311212120211020111
410022300303311
5120400231404
610534503021
71506253135
oct412606365
9155524214
1069930229
1136523686
121b504a71
1311645b45
149404ac5
156215104
hex42b0cf5

69930229 has 2 divisors, whose sum is σ = 69930230. Its totient is φ = 69930228.

The previous prime is 69930227. The next prime is 69930251. The reversal of 69930229 is 92203996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45900625 + 24029604 = 6775^2 + 4902^2 .

It is a cyclic number.

It is not a de Polignac number, because 69930229 - 21 = 69930227 is a prime.

Together with 69930227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 69930191 and 69930200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69930227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34965114 + 34965115.

It is an arithmetic number, because the mean of its divisors is an integer number (34965115).

Almost surely, 269930229 is an apocalyptic number.

It is an amenable number.

69930229 is a deficient number, since it is larger than the sum of its proper divisors (1).

69930229 is an equidigital number, since it uses as much as digits as its factorization.

69930229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 69930229 is about 8362.4296110640. The cubic root of 69930229 is about 411.9915577024.

The spelling of 69930229 in words is "sixty-nine million, nine hundred thirty thousand, two hundred twenty-nine".