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223725344 = 256991417
BaseRepresentation
bin11010101010111…
…00011100100000
3120120222102110212
431111130130200
5424233202334
634111113252
75354430323
oct1525343440
9516872425
10223725344
11105318187
1262b12828
133747327b
14219da7ba
1514993ece
hexd55c720

223725344 has 12 divisors (see below), whose sum is σ = 440459334. Its totient is φ = 111862656.

The previous prime is 223725289. The next prime is 223725353. The reversal of 223725344 is 443527322.

It can be written as a sum of positive squares in only one way, i.e., 196560400 + 27164944 = 14020^2 + 5212^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 6991417 = 223725344 / (2 + 2 + 3 + 7 + 2 + 5 + 3 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 223725344.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3495677 + ... + 3495740.

Almost surely, 2223725344 is an apocalyptic number.

It is an amenable number.

223725344 is a deficient number, since it is larger than the sum of its proper divisors (216733990).

223725344 is an equidigital number, since it uses as much as digits as its factorization.

223725344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991427 (or 6991419 counting only the distinct ones).

The product of its digits is 40320, while the sum is 32.

The square root of 223725344 is about 14957.4511197597. The cubic root of 223725344 is about 607.0694733966.

The spelling of 223725344 in words is "two hundred twenty-three million, seven hundred twenty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 6991417 13982834 27965668 55931336 111862672 223725344