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229741709 is a prime number
BaseRepresentation
bin11011011000110…
…01010010001101
3121000022002101012
431230121102031
5432303213314
634444055005
75456525621
oct1554312215
9530262335
10229741709
1110875738a
1264b34465
133879b852
1422725181
151528193e
hexdb1948d

229741709 has 2 divisors, whose sum is σ = 229741710. Its totient is φ = 229741708.

The previous prime is 229741703. The next prime is 229741747. The reversal of 229741709 is 907147922.

229741709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227557225 + 2184484 = 15085^2 + 1478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-229741709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229741703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114870854 + 114870855.

It is an arithmetic number, because the mean of its divisors is an integer number (114870855).

Almost surely, 2229741709 is an apocalyptic number.

It is an amenable number.

229741709 is a deficient number, since it is larger than the sum of its proper divisors (1).

229741709 is an equidigital number, since it uses as much as digits as its factorization.

229741709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 229741709 is about 15157.2328939025. The cubic root of 229741709 is about 612.4631294757.

The spelling of 229741709 in words is "two hundred twenty-nine million, seven hundred forty-one thousand, seven hundred nine".