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244423320 = 23352036861
BaseRepresentation
bin11101001000110…
…01101010011000
3122000220222202120
432210121222120
51000033021240
640130501240
76025364301
oct1644315230
9560828676
10244423320
11115a74949
1269a34820
133b83c2ab
14246677a8
15166d1ad0
hexe919a98

244423320 has 32 divisors (see below), whose sum is σ = 733270320. Its totient is φ = 65179520.

The previous prime is 244423217. The next prime is 244423321. The reversal of 244423320 is 23324442.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244423321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1018311 + ... + 1018550.

Almost surely, 2244423320 is an apocalyptic number.

244423320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244423320 is an abundant number, since it is smaller than the sum of its proper divisors (488847000).

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

244423320 is a wasteful number, since it uses less digits than its factorization.

244423320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036875 (or 2036871 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 244423320 is about 15634.0436228124. The cubic root of 244423320 is about 625.2411400171.

Adding to 244423320 its reverse (23324442), we get a palindrome (267747762).

The spelling of 244423320 in words is "two hundred forty-four million, four hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2036861 4073722 6110583 8147444 10184305 12221166 16294888 20368610 24442332 30552915 40737220 48884664 61105830 81474440 122211660 244423320