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225855071 = 13192513643
BaseRepresentation
bin11010111011001…
…00011001011111
3120201222121220122
431131210121133
5430304330241
634224505155
75411510411
oct1535443137
9521877818
10225855071
11106542292
126377b1bb
1337a3a770
1421dd29b1
1514c6504b
hexd76465f

225855071 has 16 divisors (see below), whose sum is σ = 257120640. Its totient is φ = 196668000.

The previous prime is 225855061. The next prime is 225855073. The reversal of 225855071 is 170558522.

It is a cyclic number.

It is not a de Polignac number, because 225855071 - 214 = 225838687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225855073) 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, 60176 + ... + 63818.

It is an arithmetic number, because the mean of its divisors is an integer number (16070040).

Almost surely, 2225855071 is an apocalyptic number.

225855071 is a deficient number, since it is larger than the sum of its proper divisors (31265569).

225855071 is a wasteful number, since it uses less digits than its factorization.

225855071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 225855071 is about 15028.4753385032. The cubic root of 225855071 is about 608.9897018237.

The spelling of 225855071 in words is "two hundred twenty-five million, eight hundred fifty-five thousand, seventy-one".

Divisors: 1 13 19 247 251 3263 3643 4769 47359 61997 69217 899821 914393 11887109 17373467 225855071