Search a number
-
+
182000605 = 536400121
BaseRepresentation
bin10101101100100…
…01101111011101
3110200110120220011
422312101233131
5333043004410
630020523221
74336660003
oct1266215735
9420416804
10182000605
1193809826
1250b50511
132b924687
141a258a73
1510ea118a
hexad91bdd

182000605 has 4 divisors (see below), whose sum is σ = 218400732. Its totient is φ = 145600480.

The previous prime is 182000603. The next prime is 182000627. The reversal of 182000605 is 506000281.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506000281 = 677552243.

It can be written as a sum of positive squares in 2 ways, for example, as 111070521 + 70930084 = 10539^2 + 8422^2 .

It is not a de Polignac number, because 182000605 - 21 = 182000603 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182000603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18200056 + ... + 18200065.

It is an arithmetic number, because the mean of its divisors is an integer number (54600183).

Almost surely, 2182000605 is an apocalyptic number.

It is an amenable number.

182000605 is a deficient number, since it is larger than the sum of its proper divisors (36400127).

182000605 is an equidigital number, since it uses as much as digits as its factorization.

182000605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36400126.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 182000605 is about 13490.7599860052. The cubic root of 182000605 is about 566.7057387515.

Adding to 182000605 its reverse (506000281), we get a palindrome (688000886).

The spelling of 182000605 in words is "one hundred eighty-two million, six hundred five", and thus it is an aban number.

Divisors: 1 5 36400121 182000605