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20242182 = 2319374799
BaseRepresentation
bin100110100110…
…1111100000110
31102002102001110
41031031330012
520140222212
62001505450
7334025052
oct115157406
942072043
1020242182
1110476284
126942286
13426972c
14298cc62
151b9ca3c
hex134df06

20242182 has 32 divisors (see below), whose sum is σ = 43776000. Its totient is φ = 6218208.

The previous prime is 20242177. The next prime is 20242199. The reversal of 20242182 is 28124202.

It is a happy number.

It is a super-2 number, since 2×202421822 = 819491864242248, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1819 + ... + 6617.

It is an arithmetic number, because the mean of its divisors is an integer number (1368000).

Almost surely, 220242182 is an apocalyptic number.

20242182 is an abundant number, since it is smaller than the sum of its proper divisors (23533818).

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

20242182 is a wasteful number, since it uses less digits than its factorization.

20242182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 20242182 is about 4499.1312494747. The cubic root of 20242182 is about 272.5330072522.

Adding to 20242182 its reverse (28124202), we get a palindrome (48366384).

The spelling of 20242182 in words is "twenty million, two hundred forty-two thousand, one hundred eighty-two".

Divisors: 1 2 3 6 19 37 38 57 74 111 114 222 703 1406 2109 4218 4799 9598 14397 28794 91181 177563 182362 273543 355126 532689 547086 1065378 3373697 6747394 10121091 20242182