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223422304 = 2571576353
BaseRepresentation
bin11010101000100…
…10011101100000
3120120102000210011
431110102131200
5424144003204
634100414304
75352025660
oct1524223540
9516360704
10223422304
11105130536
12629a7394
1337398361
142195c1a0
1514934304
hexd512760

223422304 has 48 divisors (see below), whose sum is σ = 505981728. Its totient is φ = 95127552.

The previous prime is 223422271. The next prime is 223422319. The reversal of 223422304 is 403224322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31992 + ... + 38344.

It is an arithmetic number, because the mean of its divisors is an integer number (10541286).

Almost surely, 2223422304 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 223422304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252990864).

223422304 is an abundant number, since it is smaller than the sum of its proper divisors (282559424).

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

223422304 is a wasteful number, since it uses less digits than its factorization.

223422304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527 (or 6519 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 223422304 is about 14947.3176188907. The cubic root of 223422304 is about 606.7952540429.

Adding to 223422304 its reverse (403224322), we get a palindrome (626646626).

The spelling of 223422304 in words is "two hundred twenty-three million, four hundred twenty-two thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 157 224 314 628 1099 1256 2198 2512 4396 5024 6353 8792 12706 17584 25412 35168 44471 50824 88942 101648 177884 203296 355768 711536 997421 1423072 1994842 3989684 6981947 7979368 13963894 15958736 27927788 31917472 55855576 111711152 223422304