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225680669 = 2321414583
BaseRepresentation
bin11010111001110…
…01110100011101
3120201122202200022
431130321310131
5430233240134
634221041525
75410153064
oct1534716435
9521582608
10225680669
11106433255
12636b62a5
13379a9276
1421d891db
1514c2d52e
hexd739d1d

225680669 has 8 divisors (see below), whose sum is σ = 235654272. Its totient is φ = 215720560.

The previous prime is 225680659. The next prime is 225680701. The reversal of 225680669 is 966086522.

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 225680669 - 212 = 225676573 is a prime.

It is a super-2 number, since 2×2256806692 = 101863528720575122, 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 (225680659) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46952 + ... + 51534.

It is an arithmetic number, because the mean of its divisors is an integer number (29456784).

Almost surely, 2225680669 is an apocalyptic number.

It is an amenable number.

225680669 is a deficient number, since it is larger than the sum of its proper divisors (9973603).

225680669 is a wasteful number, since it uses less digits than its factorization.

225680669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 225680669 is about 15022.6718329330. The cubic root of 225680669 is about 608.8329104635.

The spelling of 225680669 in words is "two hundred twenty-five million, six hundred eighty thousand, six hundred sixty-nine".

Divisors: 1 23 2141 4583 49243 105409 9812203 225680669