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225907563 = 3778713669
BaseRepresentation
bin11010111011100…
…01001101101011
3120202002021220210
431131301031223
5430313020223
634225552203
75412116430
oct1535611553
9522067823
10225907563
11106578772
12637a5663
1337a5861b
1422007b87
1514c75893
hexd77136b

225907563 has 16 divisors (see below), whose sum is σ = 344702720. Its totient is φ = 128916576.

The previous prime is 225907553. The next prime is 225907567. The reversal of 225907563 is 365709522.

It is not a de Polignac number, because 225907563 - 24 = 225907547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225907567) 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, 9693 + ... + 23361.

It is an arithmetic number, because the mean of its divisors is an integer number (21543920).

Almost surely, 2225907563 is an apocalyptic number.

225907563 is a deficient number, since it is larger than the sum of its proper divisors (118795157).

225907563 is a wasteful number, since it uses less digits than its factorization.

225907563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14466.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 225907563 is about 15030.2216550522. The cubic root of 225907563 is about 609.0368775207.

The spelling of 225907563 in words is "two hundred twenty-five million, nine hundred seven thousand, five hundred sixty-three".

Divisors: 1 3 7 21 787 2361 5509 13669 16527 41007 95683 287049 10757503 32272509 75302521 225907563