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2223894240 = 2532579113173
BaseRepresentation
bin1000010010001101…
…1110111011100000
312201222122112101100
42010203132323200
514023304103430
61004401434400
7106052534451
oct20443367340
95658575340
102223894240
11a4136a727
1252093ba00
13295979469
141714db128
15d038b960
hex848deee0

2223894240 has 288 divisors, whose sum is σ = 7797928320. Its totient is φ = 576995328.

The previous prime is 2223894227. The next prime is 2223894251. The reversal of 2223894240 is 424983222.

2223894240 is a `hidden beast` number, since 2 + 223 + 8 + 9 + 424 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2223894195 and 2223894204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12854794 + ... + 12854966.

It is an arithmetic number, because the mean of its divisors is an integer number (27076140).

Almost surely, 22223894240 is an apocalyptic number.

2223894240 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 2223894240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3898964160).

2223894240 is an abundant number, since it is smaller than the sum of its proper divisors (5574034080).

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

2223894240 is a wasteful number, since it uses less digits than its factorization.

2223894240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 2223894240 is about 47158.1831711104. The cubic root of 2223894240 is about 1305.2830847543.

The spelling of 2223894240 in words is "two billion, two hundred twenty-three million, eight hundred ninety-four thousand, two hundred forty".