Search a number
-
+
230105135 = 5136752837
BaseRepresentation
bin11011011011100…
…10000000101111
3121000222112220102
431231302000233
5432401331020
634455541315
75462601311
oct1555620057
9530875812
10230105135
11108985437
126508a83b
13388980b0
14227bb7b1
1515304475
hexdb7202f

230105135 has 16 divisors (see below), whose sum is σ = 301810656. Its totient is φ = 167384448.

The previous prime is 230105101. The next prime is 230105159. The reversal of 230105135 is 531501032.

It is a cyclic number.

It is not a de Polignac number, because 230105135 - 214 = 230088751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22064 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (18863166).

Almost surely, 2230105135 is an apocalyptic number.

230105135 is a deficient number, since it is larger than the sum of its proper divisors (71705521).

230105135 is a wasteful number, since it uses less digits than its factorization.

230105135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52922.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 230105135 is about 15169.2166903898. The cubic root of 230105135 is about 612.7859090020.

Adding to 230105135 its reverse (531501032), we get a palindrome (761606167).

The spelling of 230105135 in words is "two hundred thirty million, one hundred five thousand, one hundred thirty-five".

Divisors: 1 5 13 65 67 335 871 4355 52837 264185 686881 3434405 3540079 17700395 46021027 230105135