Search a number
-
+
52286280 = 23354310133
BaseRepresentation
bin1100011101110…
…1001101001000
310122101102021220
43013131031020
5101341130110
65104402040
71203266064
oct307351510
9118342256
1052286280
1127572502
1215616320
13aaa8c37
146d30aa4
1548cc370
hex31dd348

52286280 has 64 divisors (see below), whose sum is σ = 160522560. Its totient is φ = 13617408.

The previous prime is 52286279. The next prime is 52286287. The reversal of 52286280 is 8268225.

52286280 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 (52286287) 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, 94 + ... + 10226.

It is an arithmetic number, because the mean of its divisors is an integer number (2508165).

Almost surely, 252286280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52286280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80261280).

52286280 is an abundant number, since it is smaller than the sum of its proper divisors (108236280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52286280 is a wasteful number, since it uses less digits than its factorization.

52286280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10190 (or 10186 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 52286280 is about 7230.9252519992. The cubic root of 52286280 is about 373.9348261661.

The spelling of 52286280 in words is "fifty-two million, two hundred eighty-six thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 43 60 86 120 129 172 215 258 344 430 516 645 860 1032 1290 1720 2580 5160 10133 20266 30399 40532 50665 60798 81064 101330 121596 151995 202660 243192 303990 405320 435719 607980 871438 1215960 1307157 1742876 2178595 2614314 3485752 4357190 5228628 6535785 8714380 10457256 13071570 17428760 26143140 52286280