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201303205 = 5172368273
BaseRepresentation
bin10111111111110…
…10010010100101
3112000210021002021
423333322102211
5403013200310
631550343141
74663022545
oct1377722245
9460707067
10201303205
11a36a3094
12574baab1
133292252c
141ca41325
1512a155da
hexbffa4a5

201303205 has 8 divisors (see below), whose sum is σ = 255773592. Its totient is φ = 151569408.

The previous prime is 201303163. The next prime is 201303229. The reversal of 201303205 is 502303102.

It can be written as a sum of positive squares in 4 ways, for example, as 92121604 + 109181601 = 9598^2 + 10449^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201303205 - 211 = 201301157 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, 1184052 + ... + 1184221.

It is an arithmetic number, because the mean of its divisors is an integer number (31971699).

Almost surely, 2201303205 is an apocalyptic number.

It is an amenable number.

201303205 is a deficient number, since it is larger than the sum of its proper divisors (54470387).

201303205 is a wasteful number, since it uses less digits than its factorization.

201303205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368295.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 201303205 is about 14188.1360650369. The cubic root of 201303205 is about 586.0709968844.

Adding to 201303205 its reverse (502303102), we get a palindrome (703606307).

The spelling of 201303205 in words is "two hundred one million, three hundred three thousand, two hundred five".

Divisors: 1 5 17 85 2368273 11841365 40260641 201303205