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20051052 = 2237238703
BaseRepresentation
bin100110001111…
…1010001101100
31101201200212120
41030133101230
520113113202
61553432540
7332300610
oct114372154
941650776
1020051052
111035571a
12686b750
134200738
14293d340
151b610bc
hex131f46c

20051052 has 24 divisors (see below), whose sum is σ = 53469696. Its totient is φ = 5728848.

The previous prime is 20051047. The next prime is 20051063. The reversal of 20051052 is 25015002.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 119268 + ... + 119435.

It is an arithmetic number, because the mean of its divisors is an integer number (2227904).

Almost surely, 220051052 is an apocalyptic number.

It is an amenable number.

20051052 is an abundant number, since it is smaller than the sum of its proper divisors (33418644).

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

20051052 is a wasteful number, since it uses less digits than its factorization.

20051052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238717 (or 238715 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 20051052 is about 4477.8401043360. The cubic root of 20051052 is about 271.6725261678.

Adding to 20051052 its reverse (25015002), we get a palindrome (45066054).

The spelling of 20051052 in words is "twenty million, fifty-one thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 238703 477406 716109 954812 1432218 1670921 2864436 3341842 5012763 6683684 10025526 20051052