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225325200 = 243521791049
BaseRepresentation
bin11010110111000…
…11000010010000
3120200222201001210
431123203002100
5430140401300
634205300120
75404142532
oct1533430220
9520881053
10225325200
11106210181
1263564640
13378b3529
1421cd5852
1514bad050
hexd6e3090

225325200 has 120 divisors (see below), whose sum is σ = 726516000. Its totient is φ = 59694080.

The previous prime is 225325193. The next prime is 225325223. The reversal of 225325200 is 2523522.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214276 + ... + 215324.

It is an arithmetic number, because the mean of its divisors is an integer number (6054300).

Almost surely, 2225325200 is an apocalyptic number.

225325200 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 225325200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363258000).

225325200 is an abundant number, since it is smaller than the sum of its proper divisors (501190800).

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

225325200 is a wasteful number, since it uses less digits than its factorization.

225325200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 225325200 is about 15010.8360859747. The cubic root of 225325200 is about 608.5130854728.

Adding to 225325200 its reverse (2523522), we get a palindrome (227848722).

The spelling of 225325200 in words is "two hundred twenty-five million, three hundred twenty-five thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 179 200 240 300 358 400 537 600 716 895 1049 1074 1200 1432 1790 2098 2148 2685 2864 3147 3580 4196 4296 4475 5245 5370 6294 7160 8392 8592 8950 10490 10740 12588 13425 14320 15735 16784 17900 20980 21480 25176 26225 26850 31470 35800 41960 42960 50352 52450 53700 62940 71600 78675 83920 104900 107400 125880 157350 187771 209800 214800 251760 314700 375542 419600 563313 629400 751084 938855 1126626 1258800 1502168 1877710 2253252 2816565 3004336 3755420 4506504 4694275 5633130 7510840 9013008 9388550 11266260 14082825 15021680 18777100 22532520 28165650 37554200 45065040 56331300 75108400 112662600 225325200