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223043328 = 283323261
BaseRepresentation
bin11010100101101…
…01111100000000
3120112200202221000
431102311330000
5424044341303
634044332000
75345560044
oct1522657400
9515622830
10223043328
111049a1832
1262844000
1337294a01
14218a0024
15148abda3
hexd4b5f00

223043328 has 216 divisors, whose sum is σ = 700805840. Its totient is φ = 69949440.

The previous prime is 223043309. The next prime is 223043333. The reversal of 223043328 is 823340322.

223043328 is a `hidden beast` number, since 22 + 304 + 332 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 3656418 + ... + 3656478.

Almost surely, 2223043328 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 223043328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350402920).

223043328 is an abundant number, since it is smaller than the sum of its proper divisors (477762512).

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

223043328 is an equidigital number, since it uses as much as digits as its factorization.

223043328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 223043328 is about 14934.6351813494. The cubic root of 223043328 is about 606.4519714207.

The spelling of 223043328 in words is "two hundred twenty-three million, forty-three thousand, three hundred twenty-eight".