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244436940 = 223451122943
BaseRepresentation
bin11101001000111…
…00111111001100
3122000221200110000
432210130333030
51000033440230
640131044300
76025452066
oct1644347714
9560850400
10244436940
11115a84100
1269a40690
133b845557
142466c736
15166d5b60
hexe91cfcc

244436940 has 360 divisors, whose sum is σ = 892195920. Its totient is φ = 55883520.

The previous prime is 244436903. The next prime is 244436963. The reversal of 244436940 is 49634442.

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 = 244436895 and 244436904.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5684559 + ... + 5684601.

It is an arithmetic number, because the mean of its divisors is an integer number (2478322).

Almost surely, 2244436940 is an apocalyptic number.

244436940 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 244436940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446097960).

244436940 is an abundant number, since it is smaller than the sum of its proper divisors (647758980).

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

244436940 is a wasteful number, since it uses less digits than its factorization.

244436940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 244436940 is about 15634.4792046297. The cubic root of 244436940 is about 625.2527532382.

The spelling of 244436940 in words is "two hundred forty-four million, four hundred thirty-six thousand, nine hundred forty".