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52115203 = 737311647
BaseRepresentation
bin1100011011001…
…1011100000011
310122001201121201
43012303130003
5101320141303
65101002031
71201654240
oct306633403
9118051551
1052115203
1127465a18
1215553317
13aa490ca
146cc85c7
15489681d
hex31b3703

52115203 has 16 divisors (see below), whose sum is σ = 61461504. Its totient is φ = 43256160.

The previous prime is 52115191. The next prime is 52115209. The reversal of 52115203 is 30251125.

52115203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52115203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52115209) 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 15 ways as a sum of consecutive naturals, for example, 80226 + ... + 80872.

It is an arithmetic number, because the mean of its divisors is an integer number (3841344).

Almost surely, 252115203 is an apocalyptic number.

52115203 is a deficient number, since it is larger than the sum of its proper divisors (9346301).

52115203 is a wasteful number, since it uses less digits than its factorization.

52115203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 52115203 is about 7219.0860224823. The cubic root of 52115203 is about 373.5265511490.

Adding to 52115203 its reverse (30251125), we get a palindrome (82366328).

The spelling of 52115203 in words is "fifty-two million, one hundred fifteen thousand, two hundred three".

Divisors: 1 7 37 259 311 647 2177 4529 11507 23939 80549 167573 201217 1408519 7445029 52115203