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230133105 = 3257436883
BaseRepresentation
bin11011011011110…
…00110101110001
3121001000222021100
431231320311301
5432403224410
634500315013
75463045666
oct1555706561
9531028240
10230133105
111089a4454
12650a2a69
13388a7a47
14227c7a6d
151530c8c0
hexdb78d71

230133105 has 24 divisors (see below), whose sum is σ = 399492288. Its totient is φ = 122554656.

The previous prime is 230133091. The next prime is 230133107. The reversal of 230133105 is 501331032.

It is not a de Polignac number, because 230133105 - 27 = 230132977 is a prime.

It is a super-2 number, since 2×2301331052 = 105922492033882050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230133107) 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 23 ways as a sum of consecutive naturals, for example, 29994 + ... + 36876.

It is an arithmetic number, because the mean of its divisors is an integer number (16645512).

Almost surely, 2230133105 is an apocalyptic number.

It is an amenable number.

230133105 is a deficient number, since it is larger than the sum of its proper divisors (169359183).

230133105 is a wasteful number, since it uses less digits than its factorization.

230133105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7637 (or 7634 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 230133105 is about 15170.1385952799. The cubic root of 230133105 is about 612.8107366784.

Adding to 230133105 its reverse (501331032), we get a palindrome (731464137).

The spelling of 230133105 in words is "two hundred thirty million, one hundred thirty-three thousand, one hundred five".

Divisors: 1 3 5 9 15 45 743 2229 3715 6687 6883 11145 20649 33435 34415 61947 103245 309735 5114069 15342207 25570345 46026621 76711035 230133105