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42050843 = 1712719477
BaseRepresentation
bin1010000001101…
…0010100011011
32221010101220122
42200122110123
541231111333
64101143455
71020266132
oct240322433
987111818
1042050843
112181146a
12120bab8b
138934173
145828919
153a59798
hex281a51b

42050843 has 8 divisors (see below), whose sum is σ = 44877312. Its totient is φ = 39263616.

The previous prime is 42050839. The next prime is 42050851. The reversal of 42050843 is 34805024.

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 42050843 - 22 = 42050839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42050863) 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 7 ways as a sum of consecutive naturals, for example, 7580 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (5609664).

Almost surely, 242050843 is an apocalyptic number.

42050843 is a deficient number, since it is larger than the sum of its proper divisors (2826469).

42050843 is a wasteful number, since it uses less digits than its factorization.

42050843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19621.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 42050843 is about 6484.6621346066. The cubic root of 42050843 is about 347.7428711209.

Adding to 42050843 its reverse (34805024), we get a palindrome (76855867).

The spelling of 42050843 in words is "forty-two million, fifty thousand, eight hundred forty-three".

Divisors: 1 17 127 2159 19477 331109 2473579 42050843