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42052786 = 223914191
BaseRepresentation
bin1010000001101…
…0110010110010
32221010111120121
42200122302302
541231142121
64101200454
71020304606
oct240326262
987114517
1042052786
1121812976
121210012a
138935009
145829506
153a5a141
hex281acb2

42052786 has 8 divisors (see below), whose sum is σ = 65821824. Its totient is φ = 20112180.

The previous prime is 42052741. The next prime is 42052789. The reversal of 42052786 is 68725024.

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

It is not an unprimeable number, because it can be changed into a prime (42052789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457050 + ... + 457141.

It is an arithmetic number, because the mean of its divisors is an integer number (8227728).

Almost surely, 242052786 is an apocalyptic number.

42052786 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42052786 is a deficient number, since it is larger than the sum of its proper divisors (23769038).

42052786 is a wasteful number, since it uses less digits than its factorization.

42052786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914216.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 42052786 is about 6484.8119479288. The cubic root of 42052786 is about 347.7482269706.

The spelling of 42052786 in words is "forty-two million, fifty-two thousand, seven hundred eighty-six".

Divisors: 1 2 23 46 914191 1828382 21026393 42052786