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20052250 = 25380209
BaseRepresentation
bin100110001111…
…1100100011010
31101201202111221
41030133210122
520113133000
61553442254
7332304241
oct114374432
941652457
1020052250
1110356609
12687038a
13420114a
14293d958
151b6161a
hex131f91a

20052250 has 16 divisors (see below), whose sum is σ = 37538280. Its totient is φ = 8020800.

The previous prime is 20052223. The next prime is 20052281. The reversal of 20052250 is 5225002.

It can be written as a sum of positive squares in 4 ways, for example, as 1896129 + 18156121 = 1377^2 + 4261^2 .

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, 39855 + ... + 40354.

Almost surely, 220052250 is an apocalyptic number.

20052250 is a deficient number, since it is larger than the sum of its proper divisors (17486030).

20052250 is an equidigital number, since it uses as much as digits as its factorization.

20052250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80226 (or 80216 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 20052250 is about 4477.9738721882. The cubic root of 20052250 is about 271.6779366438.

Adding to 20052250 its reverse (5225002), we get a palindrome (25277252).

It can be divided in two parts, 20052 and 250, that added together give a palindrome (20302).

The spelling of 20052250 in words is "twenty million, fifty-two thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 80209 160418 401045 802090 2005225 4010450 10026125 20052250