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243342341 = 11103397541
BaseRepresentation
bin11101000000100…
…01110000000101
3121221220001221022
432200101300011
5444243423331
640051400525
76013242614
oct1640216005
9557801838
10243342341
111153a6780
12695b3145
133b551268
142446587b
151656b67b
hexe811c05

243342341 has 16 divisors (see below), whose sum is σ = 269213568. Its totient is φ = 218116800.

The previous prime is 243342331. The next prime is 243342349. The reversal of 243342341 is 143243342.

It is a de Polignac number, because none of the positive numbers 2k-243342341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243342341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243342349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449531 + ... + 450071.

It is an arithmetic number, because the mean of its divisors is an integer number (16825848).

Almost surely, 2243342341 is an apocalyptic number.

It is an amenable number.

243342341 is a deficient number, since it is larger than the sum of its proper divisors (25871227).

243342341 is a wasteful number, since it uses less digits than its factorization.

243342341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052.

The product of its digits is 6912, while the sum is 26.

The square root of 243342341 is about 15599.4339961423. The cubic root of 243342341 is about 624.3180538431.

Adding to 243342341 its reverse (143243342), we get a palindrome (386585683).

The spelling of 243342341 in words is "two hundred forty-three million, three hundred forty-two thousand, three hundred forty-one".

Divisors: 1 11 103 397 541 1133 4367 5951 40891 55723 214777 449801 612953 2362547 22122031 243342341