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500018057 = 7116493741
BaseRepresentation
bin11101110011011…
…010101110001001
31021211212112211022
4131303122232021
52011001034212
6121341042225
715251040410
oct3563325611
91254775738
10500018057
11237279a70
1211b556375
137c790396
144a59c477
152dd6d772
hex1dcdab89

500018057 has 8 divisors (see below), whose sum is σ = 623399232. Its totient is φ = 389624400.

The previous prime is 500018039. The next prime is 500018081. The reversal of 500018057 is 750810005.

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

It is not a de Polignac number, because 500018057 - 212 = 500013961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500018017) by changing a digit.

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, 3246794 + ... + 3246947.

It is an arithmetic number, because the mean of its divisors is an integer number (77924904).

Almost surely, 2500018057 is an apocalyptic number.

It is an amenable number.

500018057 is a deficient number, since it is larger than the sum of its proper divisors (123381175).

500018057 is a wasteful number, since it uses less digits than its factorization.

500018057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493759.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 500018057 is about 22361.0835381473. The cubic root of 500018057 is about 793.7100804360.

The spelling of 500018057 in words is "five hundred million, eighteen thousand, fifty-seven".

Divisors: 1 7 11 77 6493741 45456187 71431151 500018057