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500542169 = 17231280159
BaseRepresentation
bin11101110101011…
…010101011011001
31021212212011202212
4131311122223121
52011114322134
6121400204505
715255352421
oct3565325331
91255764685
10500542169
112375a7816
1211b769735
137c914aca
144a697481
152de23bce
hex1dd5aad9

500542169 has 8 divisors (see below), whose sum is σ = 553029120. Its totient is φ = 450615616.

The previous prime is 500542139. The next prime is 500542171. The reversal of 500542169 is 961245005.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-500542169 is a prime.

It is a super-2 number, since 2×5005421692 = 501084925894449122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500542129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639689 + ... + 640470.

It is an arithmetic number, because the mean of its divisors is an integer number (69128640).

Almost surely, 2500542169 is an apocalyptic number.

It is an amenable number.

500542169 is a deficient number, since it is larger than the sum of its proper divisors (52486951).

500542169 is a wasteful number, since it uses less digits than its factorization.

500542169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280199.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 500542169 is about 22372.7997577415. The cubic root of 500542169 is about 793.9873022352.

It can be divided in two parts, 5005 and 42169, that added together give a palindrome (47174).

The spelling of 500542169 in words is "five hundred million, five hundred forty-two thousand, one hundred sixty-nine".

Divisors: 1 17 23 391 1280159 21762703 29443657 500542169