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225068669 = 7371376343
BaseRepresentation
bin11010110101001…
…00011001111101
3120200111200011122
431122210121331
5430104144134
634200000325
75402023610
oct1532443175
9520450148
10225068669
11106055471
12634600a5
1337823837
1421c6a177
1514b5c02e
hexd6a467d

225068669 has 16 divisors (see below), whose sum is σ = 266143488. Its totient is φ = 186302592.

The previous prime is 225068609. The next prime is 225068677. The reversal of 225068669 is 966860522.

It is not a de Polignac number, because 225068669 - 212 = 225064573 is a prime.

It is a super-2 number, since 2×2250686692 = 101311811530863122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225068609) 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, 32312 + ... + 38654.

It is an arithmetic number, because the mean of its divisors is an integer number (16633968).

Almost surely, 2225068669 is an apocalyptic number.

It is an amenable number.

225068669 is a deficient number, since it is larger than the sum of its proper divisors (41074819).

225068669 is a wasteful number, since it uses less digits than its factorization.

225068669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524.

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

The square root of 225068669 is about 15002.2887920477. The cubic root of 225068669 is about 608.2820686309.

The spelling of 225068669 in words is "two hundred twenty-five million, sixty-eight thousand, six hundred sixty-nine".

Divisors: 1 7 37 137 259 959 5069 6343 35483 44401 234691 868991 1642837 6082937 32152667 225068669