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8194224 = 243533221
BaseRepresentation
bin11111010000100010110000
3120102022100210
4133100202300
54044203344
6451344120
7126435603
oct37204260
916368323
108194224
114697495
1228b2040
13190b96c
14113433a
15abcdb9
hex7d08b0

8194224 has 40 divisors (see below), whose sum is σ = 21574512. Its totient is φ = 2679040.

The previous prime is 8194217. The next prime is 8194229. The reversal of 8194224 is 4224918.

It is a junction number, because it is equal to n+sod(n) for n = 8194191 and 8194200.

It is not an unprimeable number, because it can be changed into a prime (8194229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934 + ... + 4154.

Almost surely, 28194224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8194224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10787256).

8194224 is an abundant number, since it is smaller than the sum of its proper divisors (13380288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8194224 is a wasteful number, since it uses less digits than its factorization.

8194224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285 (or 3279 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 8194224 is about 2862.5555016453. Note that the first 4 decimals coincide. The cubic root of 8194224 is about 201.6056089394.

The spelling of 8194224 in words is "eight million, one hundred ninety-four thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 53 106 159 212 318 424 636 848 1272 2544 3221 6442 9663 12884 19326 25768 38652 51536 77304 154608 170713 341426 512139 682852 1024278 1365704 2048556 2731408 4097112 8194224