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225766310 = 257111012903
BaseRepresentation
bin11010111010011…
…10101110100110
3120201211010011012
431131032232212
5430244010220
634222542222
75410660550
oct1535165646
9521733135
10225766310
11106491630
1263737972
1337a09243
1421dac4d0
1514c48ac5
hexd74eba6

225766310 has 64 divisors (see below), whose sum is σ = 511847424. Its totient is φ = 69648000.

The previous prime is 225766283. The next prime is 225766319. The reversal of 225766310 is 13667522.

It is a super-2 number, since 2×2257663102 = 101940853462032200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225766319) 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 31 ways as a sum of consecutive naturals, for example, 76319 + ... + 79221.

It is an arithmetic number, because the mean of its divisors is an integer number (7997616).

Almost surely, 2225766310 is an apocalyptic number.

225766310 is an abundant number, since it is smaller than the sum of its proper divisors (286081114).

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

225766310 is a wasteful number, since it uses less digits than its factorization.

225766310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 225766310 is about 15025.5219543282. The cubic root of 225766310 is about 608.9099137582.

The spelling of 225766310 in words is "two hundred twenty-five million, seven hundred sixty-six thousand, three hundred ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 101 110 154 202 385 505 707 770 1010 1111 1414 2222 2903 3535 5555 5806 7070 7777 11110 14515 15554 20321 29030 31933 38885 40642 63866 77770 101605 159665 203210 223531 293203 319330 447062 586406 1117655 1466015 2052421 2235310 2932030 3225233 4104842 6450466 10262105 16126165 20524210 22576631 32252330 45153262 112883155 225766310