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20112852 = 2231676071
BaseRepresentation
bin100110010111…
…0010111010100
31101211211122110
41030232113110
520122102402
61555031020
7332646024
oct114562724
941754573
1020112852
11103980a1
12689b470
1342228c6
142957a84
151b7456c
hex132e5d4

20112852 has 12 divisors (see below), whose sum is σ = 46930016. Its totient is φ = 6704280.

The previous prime is 20112839. The next prime is 20112857. The reversal of 20112852 is 25821102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112857) 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 3 ways as a sum of consecutive naturals, for example, 838024 + ... + 838047.

Almost surely, 220112852 is an apocalyptic number.

It is an amenable number.

20112852 is an abundant number, since it is smaller than the sum of its proper divisors (26817164).

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

20112852 is a wasteful number, since it uses less digits than its factorization.

20112852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676078 (or 1676076 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 20112852 is about 4484.7354437023. The cubic root of 20112852 is about 271.9513501514.

Adding to 20112852 its reverse (25821102), we get a palindrome (45933954).

The spelling of 20112852 in words is "twenty million, one hundred twelve thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 1676071 3352142 5028213 6704284 10056426 20112852