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225738732 = 22355733773
BaseRepresentation
bin11010111010001…
…11111111101100
3120201202201022210
431131013333230
5430242114412
634222210420
75410514262
oct1535077754
9521681283
10225738732
1110647293a
1263723a10
13379c981b
1421da2432
1514c4083c
hexd747fec

225738732 has 24 divisors (see below), whose sum is σ = 527684976. Its totient is φ = 75108928.

The previous prime is 225738731. The next prime is 225738757. The reversal of 225738732 is 237837522.

It is a super-3 number, since 3×2257387323 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (225738731) 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, 10203 + ... + 23570.

It is an arithmetic number, because the mean of its divisors is an integer number (21986874).

Almost surely, 2225738732 is an apocalyptic number.

It is an amenable number.

225738732 is an abundant number, since it is smaller than the sum of its proper divisors (301946244).

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

225738732 is a wasteful number, since it uses less digits than its factorization.

225738732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34337 (or 34335 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 225738732 is about 15024.6042210768. The cubic root of 225738732 is about 608.8851193865.

The spelling of 225738732 in words is "two hundred twenty-five million, seven hundred thirty-eight thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 557 1114 1671 2228 3342 6684 33773 67546 101319 135092 202638 405276 18811561 37623122 56434683 75246244 112869366 225738732