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224323040 = 2551402019
BaseRepresentation
bin11010101111011…
…10010111100000
3120122002210100202
431113232113200
5424411314130
634132004332
75362500014
oct1527562740
9518083322
10224323040
11105696247
12631606a8
1337622336
1421b14544
1514a61145
hexd5ee5e0

224323040 has 24 divisors (see below), whose sum is σ = 529963560. Its totient is φ = 89729152.

The previous prime is 224323019. The next prime is 224323067. The reversal of 224323040 is 40323422.

It is a super-4 number, since 4×2243230404 (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700850 + ... + 701169.

It is an arithmetic number, because the mean of its divisors is an integer number (22081815).

Almost surely, 2224323040 is an apocalyptic number.

224323040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224323040 is an abundant number, since it is smaller than the sum of its proper divisors (305640520).

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

224323040 is a wasteful number, since it uses less digits than its factorization.

224323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402034 (or 1402026 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 224323040 is about 14977.4176679426. The cubic root of 224323040 is about 607.6096004844.

Adding to 224323040 its reverse (40323422), we get a palindrome (264646462).

The spelling of 224323040 in words is "two hundred twenty-four million, three hundred twenty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1402019 2804038 5608076 7010095 11216152 14020190 22432304 28040380 44864608 56080760 112161520 224323040