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225787763 = 1636412161
BaseRepresentation
bin11010111010100…
…11111101110011
3120201212012120202
431131103331303
5430300202023
634223225415
75411110235
oct1535237563
9521765522
10225787763
111064a6763
126374826b
1337a15c36
1421db6255
1514c50128
hexd753f73

225787763 has 8 divisors (see below), whose sum is σ = 227632656. Its totient is φ = 223948800.

The previous prime is 225787753. The next prime is 225787777. The reversal of 225787763 is 367787522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225787763 - 24 = 225787747 is a prime.

It is a super-2 number, since 2×2257877632 = 101960227841088338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225787703) 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 7 ways as a sum of consecutive naturals, for example, 103403 + ... + 105563.

It is an arithmetic number, because the mean of its divisors is an integer number (28454082).

Almost surely, 2225787763 is an apocalyptic number.

225787763 is a deficient number, since it is larger than the sum of its proper divisors (1844893).

225787763 is a wasteful number, since it uses less digits than its factorization.

225787763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965.

The product of its digits is 987840, while the sum is 47.

The square root of 225787763 is about 15026.2358227202. The cubic root of 225787763 is about 608.9291999700.

The spelling of 225787763 in words is "two hundred twenty-five million, seven hundred eighty-seven thousand, seven hundred sixty-three".

Divisors: 1 163 641 2161 104483 352243 1385201 225787763