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225930166 = 271111312983
BaseRepresentation
bin11010111011101…
…10101110110110
3120202010102220221
431131312232312
5430314231131
634230244554
75412242350
oct1535665666
9522112827
10225930166
11106593750
12637b675a
1337a659b7
14220120d0
1514c7c411
hexd776bb6

225930166 has 32 divisors (see below), whose sum is σ = 426290688. Its totient is φ = 87239040.

The previous prime is 225930163. The next prime is 225930167. The reversal of 225930166 is 661039522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225930161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10911 + ... + 23893.

It is an arithmetic number, because the mean of its divisors is an integer number (13321584).

Almost surely, 2225930166 is an apocalyptic number.

225930166 is a deficient number, since it is larger than the sum of its proper divisors (200360522).

225930166 is a wasteful number, since it uses less digits than its factorization.

225930166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13116.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 225930166 is about 15030.9735546305. The cubic root of 225930166 is about 609.0571890754.

Adding to 225930166 its reverse (661039522), we get a palindrome (886969688).

The spelling of 225930166 in words is "two hundred twenty-five million, nine hundred thirty thousand, one hundred sixty-six".

Divisors: 1 2 7 11 14 22 77 113 154 226 791 1243 1582 2486 8701 12983 17402 25966 90881 142813 181762 285626 999691 1467079 1999382 2934158 10269553 16137869 20539106 32275738 112965083 225930166