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225505343 = 7372393643
BaseRepresentation
bin11010111000011…
…11000000111111
3120201022212011202
431130033000333
5430212132333
634213210115
75405522660
oct1534170077
9521285152
10225505343
11106323558
126363093b
133794751b
1421d41367
1514be65e8
hexd70f03f

225505343 has 16 divisors (see below), whose sum is σ = 265866240. Its totient is φ = 187227936.

The previous prime is 225505339. The next prime is 225505351. The reversal of 225505343 is 343505522.

It is not a de Polignac number, because 225505343 - 22 = 225505339 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 (225505393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60080 + ... + 63722.

It is an arithmetic number, because the mean of its divisors is an integer number (16616640).

Almost surely, 2225505343 is an apocalyptic number.

225505343 is a deficient number, since it is larger than the sum of its proper divisors (40360897).

225505343 is a wasteful number, since it uses less digits than its factorization.

225505343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 225505343 is about 15016.8353190677. The cubic root of 225505343 is about 608.6752069649.

The spelling of 225505343 in words is "two hundred twenty-five million, five hundred five thousand, three hundred forty-three".

Divisors: 1 7 37 239 259 1673 3643 8843 25501 61901 134791 870677 943537 6094739 32215049 225505343