Search a number
-
+
20623182 = 233437197
BaseRepresentation
bin100111010101…
…0111101001110
31102210202200120
41032222331032
520234420212
62014005410
7340202616
oct116527516
942722616
1020623182
1110706558
126aa6866
134370c88
142a4ba46
151c2588c
hex13aaf4e

20623182 has 8 divisors (see below), whose sum is σ = 41246376. Its totient is φ = 6874392.

The previous prime is 20623181. The next prime is 20623217. The reversal of 20623182 is 28132602.

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

20623182 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20623181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1718593 + ... + 1718604.

It is an arithmetic number, because the mean of its divisors is an integer number (5155797).

Almost surely, 220623182 is an apocalyptic number.

20623182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20623182 is a wasteful number, since it uses less digits than its factorization.

20623182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437202.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20623182 is about 4541.2753715229. The cubic root of 20623182 is about 274.2322697054.

Adding to 20623182 its reverse (28132602), we get a palindrome (48755784).

The spelling of 20623182 in words is "twenty million, six hundred twenty-three thousand, one hundred eighty-two".

Divisors: 1 2 3 6 3437197 6874394 10311591 20623182