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225135255 = 3553503563
BaseRepresentation
bin11010110101101…
…00101010010111
3120200122001111210
431122310222113
5430113312010
634201232503
75402422002
oct1532645227
9520561453
10225135255
111060a04a4
1263492733
1337847c37
1421c86539
1514b71b20
hexd6b4a97

225135255 has 32 divisors (see below), whose sum is σ = 368395776. Its totient is φ = 117363584.

The previous prime is 225135193. The next prime is 225135257. The reversal of 225135255 is 552531522.

It is a cyclic number.

It is not a de Polignac number, because 225135255 - 221 = 223038103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225135257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399604 + ... + 400166.

It is an arithmetic number, because the mean of its divisors is an integer number (11512368).

Almost surely, 2225135255 is an apocalyptic number.

225135255 is a deficient number, since it is larger than the sum of its proper divisors (143260521).

225135255 is a wasteful number, since it uses less digits than its factorization.

225135255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127.

The product of its digits is 15000, while the sum is 30.

The square root of 225135255 is about 15004.5078226512. The cubic root of 225135255 is about 608.3420489567.

Adding to 225135255 its reverse (552531522), we get a palindrome (777666777).

The spelling of 225135255 in words is "two hundred twenty-five million, one hundred thirty-five thousand, two hundred fifty-five".

Divisors: 1 3 5 15 53 159 265 503 563 795 1509 1689 2515 2815 7545 8445 26659 29839 79977 89517 133295 149195 283189 399885 447585 849567 1415945 4247835 15009017 45027051 75045085 225135255