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244024140 = 22354394583
BaseRepresentation
bin11101000101110…
…00001101001100
3122000011201012010
432202320031030
5444432233030
640114141220
76022112433
oct1642701514
9560151163
10244024140
11115821a48
1269881810
133b72c6a9
14245a211a
15166536b0
hexe8b834c

244024140 has 48 divisors (see below), whose sum is σ = 699164928. Its totient is φ = 63559104.

The previous prime is 244024129. The next prime is 244024153. The reversal of 244024140 is 41420442.

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 15 ways as a sum of consecutive naturals, for example, 44712 + ... + 49871.

It is an arithmetic number, because the mean of its divisors is an integer number (14565936).

Almost surely, 2244024140 is an apocalyptic number.

244024140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244024140 is an abundant number, since it is smaller than the sum of its proper divisors (455140788).

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

244024140 is a wasteful number, since it uses less digits than its factorization.

244024140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94638 (or 94636 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 244024140 is about 15621.2720352729. The cubic root of 244024140 is about 624.9005836537.

Adding to 244024140 its reverse (41420442), we get a palindrome (285444582).

The spelling of 244024140 in words is "two hundred forty-four million, twenty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 2580 94583 189166 283749 378332 472915 567498 945830 1134996 1418745 1891660 2837490 4067069 5674980 8134138 12201207 16268276 20335345 24402414 40670690 48804828 61006035 81341380 122012070 244024140