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575664018 = 23169356671
BaseRepresentation
bin100010010011111…
…110111110010010
31111010012202120120
4202103332332102
52134332222033
6133042251110
720160030516
oct4223767622
91433182516
10575664018
11275a46996
12140956a96
13923579c7
1456650146
15358121b3
hex224fef92

575664018 has 16 divisors (see below), whose sum is σ = 1152028416. Its totient is φ = 191771280.

The previous prime is 575663993. The next prime is 575664029. The reversal of 575664018 is 810466575.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18178 + ... + 38493.

It is an arithmetic number, because the mean of its divisors is an integer number (72001776).

Almost surely, 2575664018 is an apocalyptic number.

575664018 is an abundant number, since it is smaller than the sum of its proper divisors (576364398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

575664018 is a wasteful number, since it uses less digits than its factorization.

575664018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58369.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 575664018 is about 23992.9993539782. Note that the first 3 decimals coincide. The cubic root of 575664018 is about 831.8717221255.

The spelling of 575664018 in words is "five hundred seventy-five million, six hundred sixty-four thousand, eighteen".

Divisors: 1 2 3 6 1693 3386 5079 10158 56671 113342 170013 340026 95944003 191888006 287832009 575664018