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230365017 = 3245756009
BaseRepresentation
bin11011011101100…
…01011101011001
3121001110202101200
431232301131121
5432433140032
634505304413
75465033061
oct1556613531
9531422350
10230365017
11109042713
1265195109
133895947c
14228483a1
151535647c
hexdbb1759

230365017 has 12 divisors (see below), whose sum is σ = 333483540. Its totient is φ = 153237888.

The previous prime is 230364983. The next prime is 230365073. The reversal of 230365017 is 710563032.

It is a happy number.

230365017 is a `hidden beast` number, since 2 + 3 + 0 + 3 + 650 + 1 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 209351961 + 21013056 = 14469^2 + 4584^2 .

It is not a de Polignac number, because 230365017 - 214 = 230348633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230365517) 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 in 11 ways as a sum of consecutive naturals, for example, 23892 + ... + 32117.

It is an arithmetic number, because the mean of its divisors is an integer number (27790295).

Almost surely, 2230365017 is an apocalyptic number.

It is an amenable number.

230365017 is a deficient number, since it is larger than the sum of its proper divisors (103118523).

230365017 is a wasteful number, since it uses less digits than its factorization.

230365017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56472 (or 56469 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 230365017 is about 15177.7803713191. The cubic root of 230365017 is about 613.0165167947.

The spelling of 230365017 in words is "two hundred thirty million, three hundred sixty-five thousand, seventeen".

Divisors: 1 3 9 457 1371 4113 56009 168027 504081 25596113 76788339 230365017