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343440344 = 231319716763
BaseRepresentation
bin10100011110000…
…111101111011000
3212221020120120202
4110132013233120
51200410042334
654025041332
711340123542
oct2436075730
9787216522
10343440344
111669548a5
1297026248
13561ca550
1433880692
152024017e
hex14787bd8

343440344 has 32 divisors (see below), whose sum is σ = 697047120. Its totient is φ = 157696896.

The previous prime is 343440323. The next prime is 343440373. The reversal of 343440344 is 443044343.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12107 + ... + 28869.

Almost surely, 2343440344 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 343440344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348523560).

343440344 is an abundant number, since it is smaller than the sum of its proper divisors (353606776).

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

343440344 is a wasteful number, since it uses less digits than its factorization.

343440344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16979 (or 16975 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

The square root of 343440344 is about 18532.1435349503. The cubic root of 343440344 is about 700.2994256436.

Adding to 343440344 its reverse (443044343), we get a palindrome (786484687).

The spelling of 343440344 in words is "three hundred forty-three million, four hundred forty thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 197 394 788 1576 2561 5122 10244 16763 20488 33526 67052 134104 217919 435838 871676 1743352 3302311 6604622 13209244 26418488 42930043 85860086 171720172 343440344