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243334044 = 22345471373
BaseRepresentation
bin11101000000011…
…11101110011100
3121221212122120000
432200033232130
5444243142134
640051254300
76013206462
oct1640175634
9557778500
10243334044
111153a0518
12695aa390
133b54a555
1424462832
1516568e99
hexe80fb9c

243334044 has 60 divisors (see below), whose sum is σ = 637750344. Its totient is φ = 80904096.

The previous prime is 243334037. The next prime is 243334051. The reversal of 243334044 is 440433342.

It is an interprime number because it is at equal distance from previous prime (243334037) and next prime (243334051).

It is a super-2 number, since 2×2433340442 = 118422913938787872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 243333999 and 243334017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 176542 + ... + 177914.

Almost surely, 2243334044 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 243334044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318875172).

243334044 is an abundant number, since it is smaller than the sum of its proper divisors (394416300).

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

243334044 is a wasteful number, since it uses less digits than its factorization.

243334044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1925 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 243334044 is about 15599.1680547393. The cubic root of 243334044 is about 624.3109581800.

Adding to 243334044 its reverse (440433342), we get a palindrome (683767386).

The spelling of 243334044 in words is "two hundred forty-three million, three hundred thirty-four thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 547 1094 1373 1641 2188 2746 3282 4119 4923 5492 6564 8238 9846 12357 14769 16476 19692 24714 29538 37071 44307 49428 59076 74142 88614 111213 148284 177228 222426 444852 751031 1502062 2253093 3004124 4506186 6759279 9012372 13518558 20277837 27037116 40555674 60833511 81111348 121667022 243334044