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50305205 = 510061041
BaseRepresentation
bin1011111111100…
…1100010110101
310111122202202202
42333321202311
5100334231310
64554114245
71150405256
oct277714265
9114582682
1050305205
112643a055
1214a1b985
13a5642c2
146976b2d
15463a3a5
hex2ff98b5

50305205 has 4 divisors (see below), whose sum is σ = 60366252. Its totient is φ = 40244160.

The previous prime is 50305201. The next prime is 50305247. The reversal of 50305205 is 50250305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32924644 + 17380561 = 5738^2 + 4169^2 .

It is not a de Polignac number, because 50305205 - 22 = 50305201 is a prime.

It is a super-2 number, since 2×503052052 = 5061227300184050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50305201) 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 3 ways as a sum of consecutive naturals, for example, 5030516 + ... + 5030525.

It is an arithmetic number, because the mean of its divisors is an integer number (15091563).

Almost surely, 250305205 is an apocalyptic number.

It is an amenable number.

50305205 is a deficient number, since it is larger than the sum of its proper divisors (10061047).

50305205 is a wasteful number, since it uses less digits than its factorization.

50305205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061046.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 50305205 is about 7092.6162309828. The cubic root of 50305205 is about 369.1512197137.

The spelling of 50305205 in words is "fifty million, three hundred five thousand, two hundred five".

Divisors: 1 5 10061041 50305205