Search a number
-
+
189035123 = 1923971319
BaseRepresentation
bin10110100010001…
…11001001110011
3111011200222102212
423101013021303
5341343110443
630431402335
74453525544
oct1321071163
9434628385
10189035123
1197783982
12533833ab
1330218504
141b16a4cb
15118e0618
hexb447273

189035123 has 12 divisors (see below), whose sum is σ = 200162160. Its totient is φ = 178499376.

The previous prime is 189035113. The next prime is 189035129. The reversal of 189035123 is 321530981.

189035123 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 189035123 - 24 = 189035107 is a prime.

It is a super-3 number, since 3×1890351233 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189035123.

It is not an unprimeable number, because it can be changed into a prime (189035129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142658 + ... + 143976.

It is an arithmetic number, because the mean of its divisors is an integer number (16680180).

Almost surely, 2189035123 is an apocalyptic number.

189035123 is a deficient number, since it is larger than the sum of its proper divisors (11127037).

189035123 is a wasteful number, since it uses less digits than its factorization.

189035123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 189035123 is about 13749.0044366856. The cubic root of 189035123 is about 573.9149017737.

The spelling of 189035123 in words is "one hundred eighty-nine million, thirty-five thousand, one hundred twenty-three".

Divisors: 1 19 361 397 1319 7543 25061 143317 476159 523643 9949217 189035123