Search a number
-
+
230054533 = 2328013571
BaseRepresentation
bin11011011011001…
…01101010000101
3121000212222111021
431231211222011
5432343221113
634454511141
75462300632
oct1555455205
9530788437
10230054533
11108950415
12650654b1
133887b057
14227a7189
15152e448d
hexdb65a85

230054533 has 8 divisors (see below), whose sum is σ = 240209856. Its totient is φ = 219912000.

The previous prime is 230054507. The next prime is 230054543. The reversal of 230054533 is 335450032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 230054533 - 25 = 230054501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230054498 and 230054507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230054543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62638 + ... + 66208.

It is an arithmetic number, because the mean of its divisors is an integer number (30026232).

Almost surely, 2230054533 is an apocalyptic number.

230054533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

230054533 is a deficient number, since it is larger than the sum of its proper divisors (10155323).

230054533 is a wasteful number, since it uses less digits than its factorization.

230054533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 230054533 is about 15167.5486813130. The cubic root of 230054533 is about 612.7409868322.

The spelling of 230054533 in words is "two hundred thirty million, fifty-four thousand, five hundred thirty-three".

Divisors: 1 23 2801 3571 64423 82133 10002371 230054533