Search a number
-
+
185045 = 5717311
BaseRepresentation
bin101101001011010101
3100101211112
4231023111
521410140
63544405
71400330
oct551325
9311745
10185045
11117033
128b105
13662c3
144b617
1539c65
hex2d2d5

185045 has 16 divisors (see below), whose sum is σ = 269568. Its totient is φ = 119040.

The previous prime is 185027. The next prime is 185051. The reversal of 185045 is 540581.

It is not a de Polignac number, because 185045 - 212 = 180949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 185045.

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, 440 + ... + 750.

It is an arithmetic number, because the mean of its divisors is an integer number (16848).

2185045 is an apocalyptic number.

It is an amenable number.

185045 is a deficient number, since it is larger than the sum of its proper divisors (84523).

185045 is a wasteful number, since it uses less digits than its factorization.

185045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 185045 is about 430.1685716089. The cubic root of 185045 is about 56.9848117941.

The spelling of 185045 in words is "one hundred eighty-five thousand, forty-five".

Divisors: 1 5 7 17 35 85 119 311 595 1555 2177 5287 10885 26435 37009 185045