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505482800 = 245210312269
BaseRepresentation
bin11110001000010…
…000111000110000
31022020011012001012
4132020100320300
52013400422200
6122054130052
715345350534
oct3610207060
91266135035
10505482800
1123a371789
12121350928
1380954864
144b1c1bc4
152e59ca35
hex1e210e30

505482800 has 60 divisors (see below), whose sum is σ = 1226312880. Its totient is φ = 200213760.

The previous prime is 505482779. The next prime is 505482823. The reversal of 505482800 is 8284505.

It is a super-2 number, since 2×5054828002 = 511025722191680000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35066 + ... + 47334.

It is an arithmetic number, because the mean of its divisors is an integer number (20438548).

Almost surely, 2505482800 is an apocalyptic number.

505482800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505482800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613156440).

505482800 is an abundant number, since it is smaller than the sum of its proper divisors (720830080).

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

505482800 is a wasteful number, since it uses less digits than its factorization.

505482800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12390 (or 12379 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 505482800 is about 22482.9446469985. The cubic root of 505482800 is about 796.5911200535.

The spelling of 505482800 in words is "five hundred five million, four hundred eighty-two thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 103 200 206 400 412 515 824 1030 1648 2060 2575 4120 5150 8240 10300 12269 20600 24538 41200 49076 61345 98152 122690 196304 245380 306725 490760 613450 981520 1226900 1263707 2453800 2527414 4907600 5054828 6318535 10109656 12637070 20219312 25274140 31592675 50548280 63185350 101096560 126370700 252741400 505482800