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34343240 = 2354143487
BaseRepresentation
bin1000001100000…
…0100101001000
32101121211001212
42003000211020
532242440430
63224032252
7564625031
oct203004510
971554055
1034343240
1118427648
12b602688
137165b59
1447bda88
153035b95
hex20c0948

34343240 has 64 divisors (see below), whose sum is σ = 81164160. Its totient is φ = 13063680.

The previous prime is 34343237. The next prime is 34343293. The reversal of 34343240 is 4234343.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70277 + ... + 70763.

It is an arithmetic number, because the mean of its divisors is an integer number (1268190).

Almost surely, 234343240 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 34343240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40582080).

34343240 is an abundant number, since it is smaller than the sum of its proper divisors (46820920).

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

34343240 is a wasteful number, since it uses less digits than its factorization.

34343240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 34343240 is about 5860.3105719748. The cubic root of 34343240 is about 325.0476931980.

Adding to 34343240 its reverse (4234343), we get a palindrome (38577583).

The spelling of 34343240 in words is "thirty-four million, three hundred forty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 41 43 82 86 164 172 205 215 328 344 410 430 487 820 860 974 1640 1720 1763 1948 2435 3526 3896 4870 7052 8815 9740 14104 17630 19480 19967 20941 35260 39934 41882 70520 79868 83764 99835 104705 159736 167528 199670 209410 399340 418820 798680 837640 858581 1717162 3434324 4292905 6868648 8585810 17171620 34343240