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42343 = 723263
BaseRepresentation
bin1010010101100111
32011002021
422111213
52323333
6524011
7234310
oct122547
964067
1042343
11298a4
1220607
1316372
1411607
15c82d
hexa567

42343 has 8 divisors (see below), whose sum is σ = 50688. Its totient is φ = 34584.

The previous prime is 42337. The next prime is 42349. The reversal of 42343 is 34324.

It is an interprime number because it is at equal distance from previous prime (42337) and next prime (42349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42349) 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, 30 + ... + 292.

It is an arithmetic number, because the mean of its divisors is an integer number (6336).

242343 is an apocalyptic number.

42343 is a deficient number, since it is larger than the sum of its proper divisors (8345).

42343 is a wasteful number, since it uses less digits than its factorization.

42343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293.

The product of its digits is 288, while the sum is 16.

The square root of 42343 is about 205.7741480361. The cubic root of 42343 is about 34.8546351903.

Adding to 42343 its reverse (34324), we get a palindrome (76667).

The spelling of 42343 in words is "forty-two thousand, three hundred forty-three", and thus it is an iban number.

Divisors: 1 7 23 161 263 1841 6049 42343