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225304415 = 5761105529
BaseRepresentation
bin11010110110111…
…01111101011111
3120200221122112222
431123131331133
5430134220130
634205015555
75404025120
oct1533357537
9520848488
10225304415
111061a65a6
12635545bb
13378a6c2b
1421ccc047
1514ba6ce5
hexd6ddf5f

225304415 has 16 divisors (see below), whose sum is σ = 314057280. Its totient is φ = 151960320.

The previous prime is 225304399. The next prime is 225304463. The reversal of 225304415 is 514403522.

It is a happy number.

It is not a de Polignac number, because 225304415 - 24 = 225304399 is a prime.

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, 50630 + ... + 54899.

It is an arithmetic number, because the mean of its divisors is an integer number (19628580).

Almost surely, 2225304415 is an apocalyptic number.

225304415 is a deficient number, since it is larger than the sum of its proper divisors (88752865).

225304415 is a wasteful number, since it uses less digits than its factorization.

225304415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105602.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 225304415 is about 15010.1437368201. The cubic root of 225304415 is about 608.4943742451.

Adding to 225304415 its reverse (514403522), we get a palindrome (739707937).

The spelling of 225304415 in words is "two hundred twenty-five million, three hundred four thousand, four hundred fifteen".

Divisors: 1 5 7 35 61 305 427 2135 105529 527645 738703 3693515 6437269 32186345 45060883 225304415