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42094775 = 528918919
BaseRepresentation
bin1010000010010…
…1000010110111
32221012122011202
42200211002313
541234013100
64102123115
71020541202
oct240450267
987178152
1042094775
1121841478
121212049b
13894b168
14583a939
153a677d5
hex28250b7

42094775 has 12 divisors (see below), whose sum is σ = 52786800. Its totient is φ = 33295680.

The previous prime is 42094753. The next prime is 42094781. The reversal of 42094775 is 57749024.

It is not a de Polignac number, because 42094775 - 220 = 41046199 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7235 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (4398900).

Almost surely, 242094775 is an apocalyptic number.

42094775 is a deficient number, since it is larger than the sum of its proper divisors (10692025).

42094775 is a wasteful number, since it uses less digits than its factorization.

42094775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19018 (or 19013 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 42094775 is about 6488.0486280545. The cubic root of 42094775 is about 347.8639287237.

The spelling of 42094775 in words is "forty-two million, ninety-four thousand, seven hundred seventy-five".

Divisors: 1 5 25 89 445 2225 18919 94595 472975 1683791 8418955 42094775