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52115253 = 326964579
BaseRepresentation
bin1100011011001…
…1011100110101
310122001201200120
43012303130311
5101320142003
65101002153
71201654341
oct306633465
9118051616
1052115253
1127465a63
1215553359
13aa49138
146cc8621
154896853
hex31b3735

52115253 has 8 divisors (see below), whose sum is σ = 69746400. Its totient is φ = 34613808.

The previous prime is 52115209. The next prime is 52115281. The reversal of 52115253 is 35251125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52115253 - 214 = 52098869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52115053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31483 + ... + 33096.

It is an arithmetic number, because the mean of its divisors is an integer number (8718300).

Almost surely, 252115253 is an apocalyptic number.

It is an amenable number.

52115253 is a deficient number, since it is larger than the sum of its proper divisors (17631147).

52115253 is a wasteful number, since it uses less digits than its factorization.

52115253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64851.

The product of its digits is 1500, while the sum is 24.

The square root of 52115253 is about 7219.0894855238. The cubic root of 52115253 is about 373.5266706043.

Adding to 52115253 its reverse (35251125), we get a palindrome (87366378).

The spelling of 52115253 in words is "fifty-two million, one hundred fifteen thousand, two hundred fifty-three".

Divisors: 1 3 269 807 64579 193737 17371751 52115253