Base | Representation |
---|---|
bin | 1011111111100… |
… | …1100001111001 |
3 | 10111122202200112 |
4 | 2333321201321 |
5 | 100334231040 |
6 | 4554114105 |
7 | 1150405142 |
oct | 277714171 |
9 | 114582615 |
10 | 50305145 |
11 | 2643a000 |
12 | 14a1b935 |
13 | a564277 |
14 | 6976ac9 |
15 | 463a365 |
hex | 2ff9879 |
50305145 has 16 divisors (see below), whose sum is σ = 66407040. Its totient is φ = 36580720.
The previous prime is 50305121. The next prime is 50305187. The reversal of 50305145 is 54150305.
It is not a de Polignac number, because 50305145 - 214 = 50288761 is a prime.
It is a super-2 number, since 2×503051452 = 5061215226942050, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 50305145.
It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 2876 + ... + 10434.
It is an arithmetic number, because the mean of its divisors is an integer number (4150440).
Almost surely, 250305145 is an apocalyptic number.
50305145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
50305145 is a deficient number, since it is larger than the sum of its proper divisors (16101895).
50305145 is an equidigital number, since it uses as much as digits as its factorization.
50305145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7597 (or 7575 counting only the distinct ones).
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 50305145 is about 7092.6120012306. The cubic root of 50305145 is about 369.1510729491.
The spelling of 50305145 in words is "fifty million, three hundred five thousand, one hundred forty-five".
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