Search a number
-
+
385173 = 3242797
BaseRepresentation
bin1011110000010010101
3201120100200
41132002111
544311143
612131113
73162645
oct1360225
9646320
10385173
11243428
12166a99
13106419
14a0525
15791d3
hex5e095

385173 has 6 divisors (see below), whose sum is σ = 556374. Its totient is φ = 256776.

The previous prime is 385171. The next prime is 385193. The reversal of 385173 is 371583.

It can be written as a sum of positive squares in only one way, i.e., 381924 + 3249 = 618^2 + 57^2 .

It is not a de Polignac number, because 385173 - 21 = 385171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21390 + ... + 21407.

It is an arithmetic number, because the mean of its divisors is an integer number (92729).

2385173 is an apocalyptic number.

It is an amenable number.

385173 is a deficient number, since it is larger than the sum of its proper divisors (171201).

385173 is a wasteful number, since it uses less digits than its factorization.

385173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42803 (or 42800 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 385173 is about 620.6230740151. The cubic root of 385173 is about 72.7587582894.

The spelling of 385173 in words is "three hundred eighty-five thousand, one hundred seventy-three".

Divisors: 1 3 9 42797 128391 385173