Search a number
-
+
189033 = 31337131
BaseRepresentation
bin101110001001101001
3100121022020
4232021221
522022113
64015053
71415055
oct561151
9317266
10189033
1111a029
1291489
1368070
144cc65
153b023
hex2e269

189033 has 16 divisors (see below), whose sum is σ = 280896. Its totient is φ = 112320.

The previous prime is 189019. The next prime is 189041. The reversal of 189033 is 330981.

189033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189033 - 24 = 189017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 188994 and 189012.

It is not an unprimeable number, because it can be changed into a prime (189043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378 + ... + 1508.

It is an arithmetic number, because the mean of its divisors is an integer number (17556).

2189033 is an apocalyptic number.

189033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

189033 is a deficient number, since it is larger than the sum of its proper divisors (91863).

189033 is a wasteful number, since it uses less digits than its factorization.

189033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 189033 is about 434.7792543349. The cubic root of 189033 is about 57.3912753274.

The spelling of 189033 in words is "one hundred eighty-nine thousand, thirty-three".

Divisors: 1 3 13 37 39 111 131 393 481 1443 1703 4847 5109 14541 63011 189033