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500050001 = 1161745231
BaseRepresentation
bin11101110011100…
…010100001010001
31021211221011122102
4131303202201101
52011003100001
6121341450145
715251232503
oct3563424121
91254834572
10500050001
112372a0a70
1211b570955
137c7a1a99
144a5a9d73
152dd77e6b
hex1dce2851

500050001 has 8 divisors (see below), whose sum is σ = 554452608. Its totient is φ = 447138000.

The previous prime is 500049989. The next prime is 500050003. The reversal of 500050001 is 100050005.

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 500050001 - 226 = 432941137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500050003) 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, 371945 + ... + 373286.

It is an arithmetic number, because the mean of its divisors is an integer number (69306576).

Almost surely, 2500050001 is an apocalyptic number.

500050001 is the 10001-st centered decagonal number.

It is an amenable number.

500050001 is a deficient number, since it is larger than the sum of its proper divisors (54402607).

500050001 is a wasteful number, since it uses less digits than its factorization.

500050001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745303.

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 500050001 is about 22361.7978033968. The cubic root of 500050001 is about 793.7269823156.

The spelling of 500050001 in words is "five hundred million, fifty thousand, one".

Divisors: 1 11 61 671 745231 8197541 45459091 500050001