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42422983 = 43986581
BaseRepresentation
bin1010000111010…
…1001011000111
32221211022101121
42201311023013
541330013413
64113134411
71023406111
oct241651307
987738347
1042422983
1121a46019
121225a407
138a34675
1458c43b1
153aceb8d
hex28752c7

42422983 has 4 divisors (see below), whose sum is σ = 43409608. Its totient is φ = 41436360.

The previous prime is 42422981. The next prime is 42423011. The reversal of 42422983 is 38922424.

42422983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42422983 - 21 = 42422981 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 (42422981) 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 3 ways as a sum of consecutive naturals, for example, 493248 + ... + 493333.

It is an arithmetic number, because the mean of its divisors is an integer number (10852402).

Almost surely, 242422983 is an apocalyptic number.

42422983 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42422983 is a deficient number, since it is larger than the sum of its proper divisors (986625).

42422983 is an equidigital number, since it uses as much as digits as its factorization.

42422983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986624.

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

The square root of 42422983 is about 6513.2927924361. The cubic root of 42422983 is about 348.7656738544.

It can be divided in two parts, 4242 and 2983, that added together give a square (7225 = 852).

The spelling of 42422983 in words is "forty-two million, four hundred twenty-two thousand, nine hundred eighty-three".

Divisors: 1 43 986581 42422983