Search a number
-
+
20027292 = 22317195167
BaseRepresentation
bin100110001100…
…1011110011100
31101200111021120
41030121132130
520111333132
61553130540
7332141415
oct114313634
941614246
1020027292
111033988a
126859a50
1341c298c
14293480c
151b5902c
hex131979c

20027292 has 48 divisors (see below), whose sum is σ = 52093440. Its totient is φ = 5951232.

The previous prime is 20027291. The next prime is 20027317. The reversal of 20027292 is 29272002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20027291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (1085280).

Almost surely, 220027292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20027292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26046720).

20027292 is an abundant number, since it is smaller than the sum of its proper divisors (32066148).

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

20027292 is a wasteful number, since it uses less digits than its factorization.

20027292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210 (or 5208 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 20027292 is about 4475.1862531072. The cubic root of 20027292 is about 271.5651753490.

Adding to 20027292 its reverse (29272002), we get a palindrome (49299294).

The spelling of 20027292 in words is "twenty million, twenty-seven thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 17 19 34 38 51 57 68 76 102 114 204 228 323 646 969 1292 1938 3876 5167 10334 15501 20668 31002 62004 87839 98173 175678 196346 263517 294519 351356 392692 527034 589038 1054068 1178076 1668941 3337882 5006823 6675764 10013646 20027292