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225030330 = 23257547653
BaseRepresentation
bin11010110100110…
…11000010111010
3120200102201120200
431122123002322
5430101432310
634155103030
75401504050
oct1532330272
9520381520
10225030330
11106029688
1263441a76
133780c255
1421c5a1d0
1514b509c0
hexd69b0ba

225030330 has 96 divisors (see below), whose sum is σ = 670909824. Its totient is φ = 51262848.

The previous prime is 225030301. The next prime is 225030331. The reversal of 225030330 is 33030522.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (225030331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344284 + ... + 344936.

It is an arithmetic number, because the mean of its divisors is an integer number (6988644).

Almost surely, 2225030330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225030330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335454912).

225030330 is an abundant number, since it is smaller than the sum of its proper divisors (445879494).

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

225030330 is a wasteful number, since it uses less digits than its factorization.

225030330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 225030330 is about 15001.0109659316. The cubic root of 225030330 is about 608.2475276904.

Adding to 225030330 its reverse (33030522), we get a palindrome (258060852).

The spelling of 225030330 in words is "two hundred twenty-five million, thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 547 630 653 1094 1306 1641 1959 2735 3265 3282 3829 3918 4571 4923 5470 5877 6530 7658 8205 9142 9795 9846 11487 11754 13713 16410 19145 19590 22855 22974 24615 27426 29385 34461 38290 41139 45710 49230 57435 58770 68565 68922 82278 114870 137130 172305 205695 344610 357191 411390 714382 1071573 1785955 2143146 2500337 3214719 3571910 5000674 5357865 6429438 7501011 10715730 12501685 15002022 16073595 22503033 25003370 32147190 37505055 45006066 75010110 112515165 225030330