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243344704 = 2619293683
BaseRepresentation
bin11101000000100…
…10010101000000
3121221220012011211
432200102111000
5444244012304
640051415504
76013252531
oct1640222500
9557805154
10243344704
111153a8529
12695b4594
133b552365
1424466688
151656c204
hexe812540

243344704 has 56 divisors (see below), whose sum is σ = 510783840. Its totient is φ = 114706944.

The previous prime is 243344657. The next prime is 243344707. The reversal of 243344704 is 407443342.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243344707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355947 + ... + 356629.

It is an arithmetic number, because the mean of its divisors is an integer number (9121140).

Almost surely, 2243344704 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 243344704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255391920).

243344704 is an abundant number, since it is smaller than the sum of its proper divisors (267439136).

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

243344704 is a wasteful number, since it uses less digits than its factorization.

243344704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 31.

The square root of 243344704 is about 15599.5097358859. The cubic root of 243344704 is about 624.3200746707.

The spelling of 243344704 in words is "two hundred forty-three million, three hundred forty-four thousand, seven hundred four".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 293 304 586 608 683 1172 1216 1366 2344 2732 4688 5464 5567 9376 10928 11134 12977 18752 21856 22268 25954 43712 44536 51908 89072 103816 178144 200119 207632 356288 400238 415264 800476 830528 1600952 3201904 3802261 6403808 7604522 12807616 15209044 30418088 60836176 121672352 243344704