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9028223 = 311791627
BaseRepresentation
bin100010011100…
…001001111111
3121222200101122
4202130021333
54302400343
6521301155
7136511231
oct42341177
917880348
109028223
115107046
1230347bb
131b41459
1412b0251
15bd5068
hex89c27f

9028223 has 8 divisors (see below), whose sum is σ = 9377280. Its totient is φ = 8682840.

The previous prime is 9028181. The next prime is 9028231. The reversal of 9028223 is 3228209.

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 9028223 - 210 = 9027199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9028192 and 9028201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9028273) 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, 4736 + ... + 6362.

It is an arithmetic number, because the mean of its divisors is an integer number (1172160).

Almost surely, 29028223 is an apocalyptic number.

9028223 is a deficient number, since it is larger than the sum of its proper divisors (349057).

9028223 is a wasteful number, since it uses less digits than its factorization.

9028223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 9028223 is about 3004.7001514294. The cubic root of 9028223 is about 208.2255858128.

The spelling of 9028223 in words is "nine million, twenty-eight thousand, two hundred twenty-three".

Divisors: 1 31 179 1627 5549 50437 291233 9028223