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505050205 = 5119182731
BaseRepresentation
bin11110000110100…
…111010001011101
31022012100012122011
4132012213101131
52013243101310
6122040551221
715341566402
oct3606472135
91265305564
10505050205
1123a0a6770
12121182511
138083299a
144b10c2a9
152e51478a
hex1e1a745d

505050205 has 8 divisors (see below), whose sum is σ = 661156704. Its totient is φ = 367309200.

The previous prime is 505050199. The next prime is 505050289. The reversal of 505050205 is 502050505.

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

It is not a de Polignac number, because 505050205 - 29 = 505049693 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 4591311 + ... + 4591420.

It is an arithmetic number, because the mean of its divisors is an integer number (82644588).

Almost surely, 2505050205 is an apocalyptic number.

505050205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505050205 is a deficient number, since it is larger than the sum of its proper divisors (156106499).

505050205 is a wasteful number, since it uses less digits than its factorization.

505050205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9182747.

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 505050205 is about 22473.3220730714. The cubic root of 505050205 is about 796.3638128229.

It can be divided in two parts, 5050 and 50205, that added together give a palindrome (55255).

The spelling of 505050205 in words is "five hundred five million, fifty thousand, two hundred five".

Divisors: 1 5 11 55 9182731 45913655 101010041 505050205