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50130317 = 233170309
BaseRepresentation
bin1011111100111…
…0110110001101
310111022212212102
42333032312031
5100313132232
64550244445
71146046346
oct277166615
9114285772
1050130317
112632a716
1214956725
13a502813
14692d0cd
154603662
hex2fced8d

50130317 has 8 divisors (see below), whose sum is σ = 53998080. Its totient is φ = 46403280.

The previous prime is 50130307. The next prime is 50130361. The reversal of 50130317 is 71303105.

It is a happy number.

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

It is not a de Polignac number, because 50130317 - 26 = 50130253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50130307) 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, 34442 + ... + 35867.

It is an arithmetic number, because the mean of its divisors is an integer number (6749760).

Almost surely, 250130317 is an apocalyptic number.

It is an amenable number.

50130317 is a deficient number, since it is larger than the sum of its proper divisors (3867763).

50130317 is a wasteful number, since it uses less digits than its factorization.

50130317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70363.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 50130317 is about 7080.2766188900. The cubic root of 50130317 is about 368.7229334917.

The spelling of 50130317 in words is "fifty million, one hundred thirty thousand, three hundred seventeen".

Divisors: 1 23 31 713 70309 1617107 2179579 50130317