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9428223 = 374353197
BaseRepresentation
bin100011111101…
…110011111111
3122202000002110
4203331303333
54403200343
6534025103
7143065350
oct43756377
918660073
109428223
11535a622
1231a8193
131c5153c
141375d27
15c63833
hex8fdcff

9428223 has 32 divisors (see below), whose sum is σ = 15054336. Its totient is φ = 5136768.

The previous prime is 9428213. The next prime is 9428227. The reversal of 9428223 is 3228249.

It is not a de Polignac number, because 9428223 - 28 = 9427967 is a prime.

9428223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9428227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47761 + ... + 47957.

It is an arithmetic number, because the mean of its divisors is an integer number (470448).

Almost surely, 29428223 is an apocalyptic number.

9428223 is a deficient number, since it is larger than the sum of its proper divisors (5626113).

9428223 is a wasteful number, since it uses less digits than its factorization.

9428223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

The product of its digits is 6912, while the sum is 30.

The square root of 9428223 is about 3070.5411575160. The cubic root of 9428223 is about 211.2564359698.

The spelling of 9428223 in words is "nine million, four hundred twenty-eight thousand, two hundred twenty-three".

Divisors: 1 3 7 21 43 53 129 159 197 301 371 591 903 1113 1379 2279 4137 6837 8471 10441 15953 25413 31323 47859 59297 73087 177891 219261 448963 1346889 3142741 9428223