Search a number
-
+
52003287 = 3273732213
BaseRepresentation
bin1100011001100…
…0000111010111
310121212001002200
43012120013113
5101303101122
65054335543
71201010040
oct306300727
9117761080
1052003287
1127399926
12154ba5b3
13aa0a19b
146c998c7
1548735ac
hex31981d7

52003287 has 24 divisors (see below), whose sum is σ = 86115744. Its totient is φ = 29623104.

The previous prime is 52003219. The next prime is 52003307. The reversal of 52003287 is 78230025.

52003287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52003287 - 211 = 52001239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52003287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52003387) 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 23 ways as a sum of consecutive naturals, for example, 22393 + ... + 24605.

It is an arithmetic number, because the mean of its divisors is an integer number (3588156).

Almost surely, 252003287 is an apocalyptic number.

52003287 is a deficient number, since it is larger than the sum of its proper divisors (34112457).

52003287 is a wasteful number, since it uses less digits than its factorization.

52003287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52003287 is about 7211.3304597695. The cubic root of 52003287 is about 373.2589801084.

The spelling of 52003287 in words is "fifty-two million, three thousand, two hundred eighty-seven".

Divisors: 1 3 7 9 21 63 373 1119 2213 2611 3357 6639 7833 15491 19917 23499 46473 139419 825449 2476347 5778143 7429041 17334429 52003287