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234440343 = 3243605789
BaseRepresentation
bin11011111100101…
…00011010010111
3121100010210200200
431332110122113
5440004042333
635132511543
75544465354
oct1576243227
9540123620
10234440343
11110376555
126661b5b3
13397553c7
14231c962b
15158adc13
hexdf94697

234440343 has 12 divisors (see below), whose sum is σ = 346511880. Its totient is φ = 152658576.

The previous prime is 234440333. The next prime is 234440347. The reversal of 234440343 is 343044432.

It is not a de Polignac number, because 234440343 - 26 = 234440279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234440347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302508 + ... + 303281.

It is an arithmetic number, because the mean of its divisors is an integer number (28875990).

Almost surely, 2234440343 is an apocalyptic number.

234440343 is a deficient number, since it is larger than the sum of its proper divisors (112071537).

234440343 is a wasteful number, since it uses less digits than its factorization.

234440343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605838 (or 605835 counting only the distinct ones).

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

The square root of 234440343 is about 15311.4448371145. Note that the first 3 decimals coincide. The cubic root of 234440343 is about 616.6103109282.

Adding to 234440343 its reverse (343044432), we get a palindrome (577484775).

The spelling of 234440343 in words is "two hundred thirty-four million, four hundred forty thousand, three hundred forty-three".

Divisors: 1 3 9 43 129 387 605789 1817367 5452101 26048927 78146781 234440343