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52133241 = 371311787
BaseRepresentation
bin1100011011011…
…1110101111001
310122002122100210
43012313311321
5101321230431
65101221333
71202060646
oct306676571
9118078323
1052133241
1127478526
1215561849
13aa54394
146cd0dcd
15489bd46
hex31b7d79

52133241 has 16 divisors (see below), whose sum is σ = 70806528. Its totient is φ = 34112400.

The previous prime is 52133239. The next prime is 52133251. The reversal of 52133241 is 14233125.

It is not a de Polignac number, because 52133241 - 21 = 52133239 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52133251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65850 + ... + 66636.

It is an arithmetic number, because the mean of its divisors is an integer number (4425408).

Almost surely, 252133241 is an apocalyptic number.

It is an amenable number.

52133241 is a deficient number, since it is larger than the sum of its proper divisors (18673287).

52133241 is a wasteful number, since it uses less digits than its factorization.

52133241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its digits is 720, while the sum is 21.

The square root of 52133241 is about 7220.3352415245. The cubic root of 52133241 is about 373.5696409088.

Adding to 52133241 its reverse (14233125), we get a palindrome (66366366).

The spelling of 52133241 in words is "fifty-two million, one hundred thirty-three thousand, two hundred forty-one".

Divisors: 1 3 71 213 311 787 933 2361 22081 55877 66243 167631 244757 734271 17377747 52133241