Search a number
-
+
225585200 = 24522919447
BaseRepresentation
bin11010111001000…
…10100000110000
3120201110220201102
431130202200300
5430222211300
634215023532
75406304541
oct1534424060
9521426642
10225585200
11106378555
126366aba8
1337974989
1421d624c8
1514c100d5
hexd722830

225585200 has 60 divisors (see below), whose sum is σ = 560685840. Its totient is φ = 87118080.

The previous prime is 225585193. The next prime is 225585203. The reversal of 225585200 is 2585522.

225585200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (225585203) by changing a digit.

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, 1877 + ... + 21323.

It is an arithmetic number, because the mean of its divisors is an integer number (9344764).

Almost surely, 2225585200 is an apocalyptic number.

225585200 is a gapful number since it is divisible by the number (20) 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 225585200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280342920).

225585200 is an abundant number, since it is smaller than the sum of its proper divisors (335100640).

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

225585200 is a wasteful number, since it uses less digits than its factorization.

225585200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19494 (or 19483 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 225585200 is about 15019.4939994662. The cubic root of 225585200 is about 608.7470474497.

The spelling of 225585200 in words is "two hundred twenty-five million, five hundred eighty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 40 50 58 80 100 116 145 200 232 290 400 464 580 725 1160 1450 2320 2900 5800 11600 19447 38894 77788 97235 155576 194470 311152 388940 486175 563963 777880 972350 1127926 1555760 1944700 2255852 2819815 3889400 4511704 5639630 7778800 9023408 11279260 14099075 22558520 28198150 45117040 56396300 112792600 225585200