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225001304 = 23119072819
BaseRepresentation
bin11010110100100…
…11111101011000
3120200101020202122
431122103331120
5430100020204
634154320412
75401323323
oct1532237530
9520336678
10225001304
111060098a0
1263429108
13377cbc88
1421c4d7ba
1514b470be
hexd693f58

225001304 has 32 divisors (see below), whose sum is σ = 460900800. Its totient is φ = 102124320.

The previous prime is 225001303. The next prime is 225001313. The reversal of 225001304 is 403100522.

It is a super-4 number, since 4×2250013044 (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225001303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78407 + ... + 81225.

It is an arithmetic number, because the mean of its divisors is an integer number (14403150).

Almost surely, 2225001304 is an apocalyptic number.

It is an amenable number.

225001304 is an abundant number, since it is smaller than the sum of its proper divisors (235899496).

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

225001304 is a wasteful number, since it uses less digits than its factorization.

225001304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743 (or 3739 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 225001304 is about 15000.0434666037. The cubic root of 225001304 is about 608.2213745464.

Adding to 225001304 its reverse (403100522), we get a palindrome (628101826).

The spelling of 225001304 in words is "two hundred twenty-five million, one thousand, three hundred four".

Divisors: 1 2 4 8 11 22 44 88 907 1814 2819 3628 5638 7256 9977 11276 19954 22552 31009 39908 62018 79816 124036 248072 2556833 5113666 10227332 20454664 28125163 56250326 112500652 225001304