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8394224 = 242979229
BaseRepresentation
bin100000000001…
…010111110000
3120210110201012
4200001113300
54122103344
6455530052
7131230646
oct40012760
916713635
108394224
114813783
122989928
13197b9c7
141187196
15b0c29e
hex8015f0

8394224 has 40 divisors (see below), whose sum is σ = 17112000. Its totient is φ = 3983616.

The previous prime is 8394223. The next prime is 8394251. The reversal of 8394224 is 4224938.

It is a d-powerful number, because it can be written as 83 + 35 + 93 + 4 + 25 + 223 + 46 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8394223) 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, 36542 + ... + 36770.

It is an arithmetic number, because the mean of its divisors is an integer number (427800).

Almost surely, 28394224 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 8394224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8556000).

8394224 is an abundant number, since it is smaller than the sum of its proper divisors (8717776).

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

8394224 is a wasteful number, since it uses less digits than its factorization.

8394224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 339 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 8394224 is about 2897.2787232160. The cubic root of 8394224 is about 203.2326677798.

Adding to 8394224 its product of digits (13824), we get a palindrome (8408048).

The spelling of 8394224 in words is "eight million, three hundred ninety-four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 29 58 79 116 158 229 232 316 458 464 632 916 1264 1832 2291 3664 4582 6641 9164 13282 18091 18328 26564 36182 36656 53128 72364 106256 144728 289456 524639 1049278 2098556 4197112 8394224