Search a number
-
+
227146 = 2137829
BaseRepresentation
bin110111011101001010
3102112120211
4313131022
524232041
64511334
71634143
oct673512
9375524
10227146
11145727
12ab54a
137c50a
145caca
1547481
hex3774a

227146 has 8 divisors (see below), whose sum is σ = 343620. Its totient is φ = 112608.

The previous prime is 227131. The next prime is 227147. The reversal of 227146 is 641722.

It can be written as a sum of positive squares in 2 ways, for example, as 225625 + 1521 = 475^2 + 39^2 .

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

It is not an unprimeable number, because it can be changed into a prime (227147) by changing a digit.

227146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141 + ... + 688.

2227146 is an apocalyptic number.

227146 is a deficient number, since it is larger than the sum of its proper divisors (116474).

227146 is a wasteful number, since it uses less digits than its factorization.

227146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968.

The product of its digits is 672, while the sum is 22.

The square root of 227146 is about 476.5983634047. The cubic root of 227146 is about 61.0147773927.

Adding to 227146 its reverse (641722), we get a palindrome (868868).

It can be divided in two parts, 227 and 146, that added together give a palindrome (373).

The spelling of 227146 in words is "two hundred twenty-seven thousand, one hundred forty-six".

Divisors: 1 2 137 274 829 1658 113573 227146