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42608089 = 1959191199
BaseRepresentation
bin1010001010001…
…0010111011001
32222011201022101
42202202113121
541401424324
64121123401
71025106556
oct242422731
988151271
1042608089
11220620a7
1212329561
138a9a9b4
145931a2d
153b19944
hex28a25d9

42608089 has 16 divisors (see below), whose sum is σ = 46080000. Its totient is φ = 39275280.

The previous prime is 42608081. The next prime is 42608099. The reversal of 42608089 is 98080624.

It is not a de Polignac number, because 42608089 - 23 = 42608081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42608081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214012 + ... + 214210.

It is an arithmetic number, because the mean of its divisors is an integer number (2880000).

Almost surely, 242608089 is an apocalyptic number.

It is an amenable number.

42608089 is a deficient number, since it is larger than the sum of its proper divisors (3471911).

42608089 is a wasteful number, since it uses less digits than its factorization.

42608089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 42608089 is about 6527.4871888040. The cubic root of 42608089 is about 349.2721992022.

The spelling of 42608089 in words is "forty-two million, six hundred eight thousand, eighty-nine".

Divisors: 1 19 59 191 199 1121 3629 3781 11269 11741 38009 214111 223079 722171 2242531 42608089