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225514261 = 755757839
BaseRepresentation
bin11010111000100…
…01001100010101
3120201100022102001
431130101030111
5430212424021
634213315301
75405560660
oct1534211425
9521308361
10225514261
1110632a225
1263635b31
133794b5bb
1421d446d7
1514be9091
hexd711315

225514261 has 8 divisors (see below), whose sum is σ = 258197760. Its totient is φ = 192947568.

The previous prime is 225514253. The next prime is 225514271. The reversal of 225514261 is 162415522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225514261 - 23 = 225514253 is a prime.

It is a super-2 number, since 2×2255142612 = 101713363828752242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225514271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25021 + ... + 32818.

It is an arithmetic number, because the mean of its divisors is an integer number (32274720).

Almost surely, 2225514261 is an apocalyptic number.

It is an amenable number.

225514261 is a deficient number, since it is larger than the sum of its proper divisors (32683499).

225514261 is an equidigital number, since it uses as much as digits as its factorization.

225514261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58403.

The product of its digits is 4800, while the sum is 28.

The square root of 225514261 is about 15017.1322495342. The cubic root of 225514261 is about 608.6832305648.

Adding to 225514261 its reverse (162415522), we get a palindrome (387929783).

The spelling of 225514261 in words is "two hundred twenty-five million, five hundred fourteen thousand, two hundred sixty-one".

Divisors: 1 7 557 3899 57839 404873 32216323 225514261