Search a number
-
+
230285011 = 1139752733
BaseRepresentation
bin11011011100111…
…01111011010011
3121001022200122111
431232131323103
5432423110021
634503450151
75464250605
oct1556357323
9531280574
10230285011
11108a985a0
1265156957
133892bc28
1422827175
151533c8e1
hexdb9ded3

230285011 has 8 divisors (see below), whose sum is σ = 251857584. Its totient is φ = 208818720.

The previous prime is 230284991. The next prime is 230285017. The reversal of 230285011 is 110582032.

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

It is not a de Polignac number, because 230285011 - 219 = 229760723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230285017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22000 + ... + 30733.

It is an arithmetic number, because the mean of its divisors is an integer number (31482198).

Almost surely, 2230285011 is an apocalyptic number.

230285011 is a deficient number, since it is larger than the sum of its proper divisors (21572573).

230285011 is a wasteful number, since it uses less digits than its factorization.

230285011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53141.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 230285011 is about 15175.1445133152. The cubic root of 230285011 is about 612.9455414951.

The spelling of 230285011 in words is "two hundred thirty million, two hundred eighty-five thousand, eleven".

Divisors: 1 11 397 4367 52733 580063 20935001 230285011