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50520205 = 510104041
BaseRepresentation
bin1100000010111…
…0000010001101
310112001200200201
43000232002031
5100413121310
65002453501
71152262141
oct300560215
9115050621
1050520205
112657663a
1214b04291
13a60b118
1469d1221
15467de3a
hex302e08d

50520205 has 4 divisors (see below), whose sum is σ = 60624252. Its totient is φ = 40416160.

The previous prime is 50520181. The next prime is 50520247. The reversal of 50520205 is 50202505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50202505 = 510040501.

It can be written as a sum of positive squares in 2 ways, for example, as 30503529 + 20016676 = 5523^2 + 4474^2 .

It is not a de Polignac number, because 50520205 - 211 = 50518157 is a prime.

It is a super-2 number, since 2×505202052 = 5104582226484050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5052016 + ... + 5052025.

It is an arithmetic number, because the mean of its divisors is an integer number (15156063).

Almost surely, 250520205 is an apocalyptic number.

It is an amenable number.

50520205 is a deficient number, since it is larger than the sum of its proper divisors (10104047).

50520205 is a wasteful number, since it uses less digits than its factorization.

50520205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10104046.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 50520205 is about 7107.7566784464. The cubic root of 50520205 is about 369.6763788236.

The spelling of 50520205 in words is "fifty million, five hundred twenty thousand, two hundred five".

Divisors: 1 5 10104041 50520205