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225240127 = 7233737811
BaseRepresentation
bin11010110110011…
…10010000111111
3120200211101100221
431123032100333
5430130141002
634203402211
75403336520
oct1533162077
9520741327
10225240127
11106162272
1263523367
13378838a8
1421cb2847
1514b92c37
hexd6ce43f

225240127 has 16 divisors (see below), whose sum is σ = 275876352. Its totient is φ = 179673120.

The previous prime is 225240073. The next prime is 225240143. The reversal of 225240127 is 721042522.

It is a cyclic number.

It is not a de Polignac number, because 225240127 - 219 = 224715839 is a prime.

It is a super-2 number, since 2×2252401272 = 101466229621952258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225240167) 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 15 ways as a sum of consecutive naturals, for example, 12949 + ... + 24862.

It is an arithmetic number, because the mean of its divisors is an integer number (17242272).

Almost surely, 2225240127 is an apocalyptic number.

225240127 is a deficient number, since it is larger than the sum of its proper divisors (50636225).

225240127 is a wasteful number, since it uses less digits than its factorization.

225240127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37878.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 225240127 is about 15008.0020988805. The cubic root of 225240127 is about 608.4364931370.

Adding to 225240127 its reverse (721042522), we get a palindrome (946282649).

The spelling of 225240127 in words is "two hundred twenty-five million, two hundred forty thousand, one hundred twenty-seven".

Divisors: 1 7 23 37 161 259 851 5957 37811 264677 869653 1399007 6087571 9793049 32177161 225240127