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243344244 = 22311131091301
BaseRepresentation
bin11101000000100…
…10001101110100
3121221220011112210
432200102031310
5444244003434
640051413420
76013251303
oct1640221564
9557804483
10243344244
111153a8150
12695b4270
133b5520a0
142446643a
151656bee9
hexe812374

243344244 has 96 divisors (see below), whose sum is σ = 673706880. Its totient is φ = 67392000.

The previous prime is 243344221. The next prime is 243344251. The reversal of 243344244 is 442443342.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186394 + ... + 187694.

It is an arithmetic number, because the mean of its divisors is an integer number (7017780).

Almost surely, 2243344244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243344244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336853440).

243344244 is an abundant number, since it is smaller than the sum of its proper divisors (430362636).

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

243344244 is a wasteful number, since it uses less digits than its factorization.

243344244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1439 counting only the distinct ones).

The product of its digits is 36864, while the sum is 30.

The square root of 243344244 is about 15599.4949918259. The cubic root of 243344244 is about 624.3196812817.

Adding to 243344244 its reverse (442443342), we get a palindrome (685787586).

The spelling of 243344244 in words is "two hundred forty-three million, three hundred forty-four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 109 132 143 156 218 286 327 429 436 572 654 858 1199 1301 1308 1417 1716 2398 2602 2834 3597 3903 4251 4796 5204 5668 7194 7806 8502 14311 14388 15587 15612 16913 17004 28622 31174 33826 42933 46761 50739 57244 62348 67652 85866 93522 101478 141809 171732 186043 187044 202956 283618 372086 425427 558129 567236 744172 850854 1116258 1559899 1701708 1843517 2232516 3119798 3687034 4679697 5530551 6239596 7374068 9359394 11061102 18718788 20278687 22122204 40557374 60836061 81114748 121672122 243344244