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224920807 = 1069210403
BaseRepresentation
bin11010110100000…
…00010011100111
3120200020011100021
431122000103213
5430034431212
634152500011
75400536536
oct1532002347
9520204307
10224920807
11105a64371
12633aa607
13377a1447
1421c2c31d
1514b2d307
hexd6804e7

224920807 has 4 divisors (see below), whose sum is σ = 225132280. Its totient is φ = 224709336.

The previous prime is 224920799. The next prime is 224920837. The reversal of 224920807 is 708029422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224920807 - 23 = 224920799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224920837) 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 3 ways as a sum of consecutive naturals, for example, 104133 + ... + 106270.

It is an arithmetic number, because the mean of its divisors is an integer number (56283070).

Almost surely, 2224920807 is an apocalyptic number.

224920807 is a deficient number, since it is larger than the sum of its proper divisors (211473).

224920807 is a wasteful number, since it uses less digits than its factorization.

224920807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211472.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 224920807 is about 14997.3600010135. The cubic root of 224920807 is about 608.1488329878.

The spelling of 224920807 in words is "two hundred twenty-four million, nine hundred twenty thousand, eight hundred seven".

Divisors: 1 1069 210403 224920807