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230260009 = 7239137633
BaseRepresentation
bin11011011100101…
…11110100101001
3121001021102100111
431232113310221
5432421310014
634503134321
75464114660
oct1556276451
9531242314
10230260009
11108a80831
12651443a1
1338920735
142281bdd7
15153352c4
hexdb97d29

230260009 has 8 divisors (see below), whose sum is σ = 264257280. Its totient is φ = 196538496.

The previous prime is 230259989. The next prime is 230260073. The reversal of 230260009 is 900062032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230260009 - 27 = 230259881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230260099) 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 7 ways as a sum of consecutive naturals, for example, 67144 + ... + 70489.

It is an arithmetic number, because the mean of its divisors is an integer number (33032160).

Almost surely, 2230260009 is an apocalyptic number.

It is an amenable number.

230260009 is a deficient number, since it is larger than the sum of its proper divisors (33997271).

230260009 is a wasteful number, since it uses less digits than its factorization.

230260009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137879.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 230260009 is about 15174.3207096726. The cubic root of 230260009 is about 612.9233582318.

The spelling of 230260009 in words is "two hundred thirty million, two hundred sixty thousand, nine".

Divisors: 1 7 239 1673 137633 963431 32894287 230260009