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225407255 = 51011572843
BaseRepresentation
bin11010110111101…
…11000100010111
3120201010212121212
431123313010113
5430201013010
634211132035
75404634003
oct1533670427
9521125555
10225407255
11106266897
12635a401b
1337911998
1421d17703
1514bc7505
hexd6f7117

225407255 has 16 divisors (see below), whose sum is σ = 275003424. Its totient is φ = 177340800.

The previous prime is 225407239. The next prime is 225407269. The reversal of 225407255 is 552704522.

It is not a de Polignac number, because 225407255 - 24 = 225407239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 77864 + ... + 80706.

It is an arithmetic number, because the mean of its divisors is an integer number (17187714).

Almost surely, 2225407255 is an apocalyptic number.

225407255 is a deficient number, since it is larger than the sum of its proper divisors (49596169).

225407255 is a wasteful number, since it uses less digits than its factorization.

225407255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 225407255 is about 15013.5690293814. The cubic root of 225407255 is about 608.5869424011.

The spelling of 225407255 in words is "two hundred twenty-five million, four hundred seven thousand, two hundred fifty-five".

Divisors: 1 5 101 157 505 785 2843 14215 15857 79285 287143 446351 1435715 2231755 45081451 225407255