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225045030 = 23571071643
BaseRepresentation
bin11010110100111…
…10101000100110
3120200110110202010
431122132220212
5430102420110
634155255050
75401564650
oct1532365046
9520413663
10225045030
11106039731
126344a486
1337815b52
1421c616d0
1514b55020
hexd69ea26

225045030 has 32 divisors (see below), whose sum is σ = 617266944. Its totient is φ = 51438816.

The previous prime is 225045019. The next prime is 225045047. The reversal of 225045030 is 30540522.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 225044988 and 225045006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535612 + ... + 536031.

It is an arithmetic number, because the mean of its divisors is an integer number (19289592).

Almost surely, 2225045030 is an apocalyptic number.

225045030 is an abundant number, since it is smaller than the sum of its proper divisors (392221914).

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

225045030 is a wasteful number, since it uses less digits than its factorization.

225045030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071660.

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

The square root of 225045030 is about 15001.5009249075. The cubic root of 225045030 is about 608.2607718961.

Adding to 225045030 its reverse (30540522), we get a palindrome (255585552).

The spelling of 225045030 in words is "two hundred twenty-five million, forty-five thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1071643 2143286 3214929 5358215 6429858 7501501 10716430 15003002 16074645 22504503 32149290 37507505 45009006 75015010 112522515 225045030