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20112252 = 2234793499
BaseRepresentation
bin100110010111…
…0001101111100
31101211210211020
41030232031330
520122043002
61555024140
7332644206
oct114561574
941753736
1020112252
11103976a6
12689b050
134222554
142957776
151b742bc
hex132e37c

20112252 has 24 divisors (see below), whose sum is σ = 47040000. Its totient is φ = 6688176.

The previous prime is 20112251. The next prime is 20112269. The reversal of 20112252 is 25221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3999 + ... + 7497.

It is an arithmetic number, because the mean of its divisors is an integer number (1960000).

Almost surely, 220112252 is an apocalyptic number.

It is an amenable number.

20112252 is an abundant number, since it is smaller than the sum of its proper divisors (26927748).

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

20112252 is a wasteful number, since it uses less digits than its factorization.

20112252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985 (or 3983 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 20112252 is about 4484.6685496255. The cubic root of 20112252 is about 271.9486458700.

Adding to 20112252 its reverse (25221102), we get a palindrome (45333354).

The spelling of 20112252 in words is "twenty million, one hundred twelve thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 479 958 1437 1916 2874 3499 5748 6998 10497 13996 20994 41988 1676021 3352042 5028063 6704084 10056126 20112252