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52005242 = 2191976947
BaseRepresentation
bin1100011001100…
…0100101111010
310121212010210002
43012120211322
5101303131432
65054353002
71201015532
oct306304572
9117763702
1052005242
11273a0343
12154bb762
13aa0b043
146c9a4c2
154873e62
hex319897a

52005242 has 16 divisors (see below), whose sum is σ = 82542240. Its totient is φ = 24505488.

The previous prime is 52005241. The next prime is 52005251. The reversal of 52005242 is 24250025.

52005242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52005241) 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 7 ways as a sum of consecutive naturals, for example, 4013 + ... + 10959.

It is an arithmetic number, because the mean of its divisors is an integer number (5158890).

Almost surely, 252005242 is an apocalyptic number.

52005242 is a deficient number, since it is larger than the sum of its proper divisors (30536998).

52005242 is a wasteful number, since it uses less digits than its factorization.

52005242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 52005242 is about 7211.4660090719. The cubic root of 52005242 is about 373.2636574548.

Adding to 52005242 its reverse (24250025), we get a palindrome (76255267).

The spelling of 52005242 in words is "fifty-two million, five thousand, two hundred forty-two".

Divisors: 1 2 19 38 197 394 3743 6947 7486 13894 131993 263986 1368559 2737118 26002621 52005242