Search a number
-
+
942145 = 5613089
BaseRepresentation
bin11100110000001000001
31202212101021
43212001001
5220122040
632105441
711002531
oct3460101
91685337
10942145
11593936
12395281
1326caa9
141a74c1
1513924a
hexe6041

942145 has 8 divisors (see below), whose sum is σ = 1149480. Its totient is φ = 741120.

The previous prime is 942143. The next prime is 942163. The reversal of 942145 is 541249.

It can be written as a sum of positive squares in 4 ways, for example, as 66049 + 876096 = 257^2 + 936^2 .

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

It is not a de Polignac number, because 942145 - 21 = 942143 is a prime.

942145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (942143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (143685).

2942145 is an apocalyptic number.

It is an amenable number.

942145 is a deficient number, since it is larger than the sum of its proper divisors (207335).

942145 is a wasteful number, since it uses less digits than its factorization.

942145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155.

The product of its digits is 1440, while the sum is 25.

The square root of 942145 is about 970.6415404257. The cubic root of 942145 is about 98.0330653384.

The spelling of 942145 in words is "nine hundred forty-two thousand, one hundred forty-five".

Divisors: 1 5 61 305 3089 15445 188429 942145