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42068343 = 314022781
BaseRepresentation
bin1010000001111…
…0100101110111
32221011021220210
42200132211313
541232141333
64101400503
71020401142
oct240364567
987137823
1042068343
1121823629
1212109133
13893c115
145831059
153a5ea63
hex281e977

42068343 has 4 divisors (see below), whose sum is σ = 56091128. Its totient is φ = 28045560.

The previous prime is 42068339. The next prime is 42068359. The reversal of 42068343 is 34386024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42068343 - 22 = 42068339 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 42068343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42068303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7011388 + ... + 7011393.

It is an arithmetic number, because the mean of its divisors is an integer number (14022782).

Almost surely, 242068343 is an apocalyptic number.

42068343 is a deficient number, since it is larger than the sum of its proper divisors (14022785).

42068343 is a wasteful number, since it uses less digits than its factorization.

42068343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14022784.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 42068343 is about 6486.0113320900. The cubic root of 42068343 is about 347.7911036557.

The spelling of 42068343 in words is "forty-two million, sixty-eight thousand, three hundred forty-three".

Divisors: 1 3 14022781 42068343