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42843049 = 311347397
BaseRepresentation
bin1010001101101…
…1101110101001
32222121122121121
42203123232221
541431434144
64130135241
71030105564
oct243335651
988548547
1042843049
1122202687
1212421521
138b50922
1459934db
153b64384
hex28dbba9

42843049 has 8 divisors (see below), whose sum is σ = 43213248. Its totient is φ = 42474960.

The previous prime is 42843041. The next prime is 42843061. The reversal of 42843049 is 94034824.

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

It is a cyclic number.

It is not a de Polignac number, because 42843049 - 23 = 42843041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42843041) 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, 107719 + ... + 108115.

It is an arithmetic number, because the mean of its divisors is an integer number (5401656).

Almost surely, 242843049 is an apocalyptic number.

It is an amenable number.

42843049 is a deficient number, since it is larger than the sum of its proper divisors (370199).

42843049 is a wasteful number, since it uses less digits than its factorization.

42843049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 42843049 is about 6545.4601824471. The cubic root of 42843049 is about 349.9130368978.

The spelling of 42843049 in words is "forty-two million, eight hundred forty-three thousand, forty-nine".

Divisors: 1 311 347 397 107917 123467 137759 42843049