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223914240 = 28335111931
BaseRepresentation
bin11010101100010…
…10100100000000
3120121100000121000
431112022210000
5424310223430
634115132000
75356145124
oct1526124400
9517300530
10223914240
111054370a0
1262ba4000
133750b244
1421a49584
15149cee60
hexd58a900

223914240 has 576 divisors, whose sum is σ = 941875200. Its totient is φ = 49766400.

The previous prime is 223914199. The next prime is 223914277. The reversal of 223914240 is 42419322.

223914240 is a `hidden beast` number, since 2 + 239 + 1 + 424 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7223025 + ... + 7223055.

It is an arithmetic number, because the mean of its divisors is an integer number (1635200).

Almost surely, 2223914240 is an apocalyptic number.

223914240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223914240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470937600).

223914240 is an abundant number, since it is smaller than the sum of its proper divisors (717960960).

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

223914240 is a wasteful number, since it uses less digits than its factorization.

223914240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 223914240 is about 14963.7642323047. The cubic root of 223914240 is about 607.2402791634.

The spelling of 223914240 in words is "two hundred twenty-three million, nine hundred fourteen thousand, two hundred forty".