Search a number
-
+
225230788 = 22192612557
BaseRepresentation
bin11010110110010…
…11111111000100
3120200210220120001
431123023333010
5430124341123
634203251044
75403300346
oct1533137704
9520726501
10225230788
11106156252
1263519a84
133787c573
1421cad296
1514b900ad
hexd6cbfc4

225230788 has 36 divisors (see below), whose sum is σ = 422975532. Its totient is φ = 104898240.

The previous prime is 225230783. The next prime is 225230813. The reversal of 225230788 is 887032522.

It can be written as a sum of positive squares in 2 ways, for example, as 42224004 + 183006784 = 6498^2 + 13528^2 .

It is not an unprimeable number, because it can be changed into a prime (225230783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86806 + ... + 89362.

Almost surely, 2225230788 is an apocalyptic number.

It is an amenable number.

225230788 is a deficient number, since it is larger than the sum of its proper divisors (197744744).

225230788 is a wasteful number, since it uses less digits than its factorization.

225230788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 225230788 is about 15007.6909616370. The cubic root of 225230788 is about 608.4280839383.

The spelling of 225230788 in words is "two hundred twenty-five million, two hundred thirty thousand, seven hundred eighty-eight".

Divisors: 1 2 4 19 38 61 76 122 244 361 722 1159 1444 2318 2557 4636 5114 10228 22021 44042 48583 88084 97166 155977 194332 311954 623908 923077 1846154 2963563 3692308 5927126 11854252 56307697 112615394 225230788