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42644883 = 323116151
BaseRepresentation
bin1010001010101…
…1010110010011
32222020120210010
42202223112103
541404114013
64122010003
71025322051
oct242532623
988216703
1042644883
1122087806
1212346903
138ab1678
1459411d1
153b257c3
hex28ab593

42644883 has 8 divisors (see below), whose sum is σ = 56893696. Its totient is φ = 28413000.

The previous prime is 42644881. The next prime is 42644887. The reversal of 42644883 is 38844624.

42644883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42644883 - 21 = 42644881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42644881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3858 + ... + 10008.

It is an arithmetic number, because the mean of its divisors is an integer number (7111712).

Almost surely, 242644883 is an apocalyptic number.

42644883 is a deficient number, since it is larger than the sum of its proper divisors (14248813).

42644883 is a wasteful number, since it uses less digits than its factorization.

42644883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465.

The product of its digits is 147456, while the sum is 39.

The square root of 42644883 is about 6530.3049699076. The cubic root of 42644883 is about 349.3727076909.

The spelling of 42644883 in words is "forty-two million, six hundred forty-four thousand, eight hundred eighty-three".

Divisors: 1 3 2311 6151 6933 18453 14214961 42644883