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203422211 = 2961311443
BaseRepresentation
bin11000001111111…
…11101000000011
3112011202220210222
430013333220003
5404034002321
632104013255
75020026446
oct1407775003
9464686728
10203422211
11a4910133
125816122b
13331b4b95
141d03365d
1512cd33ab
hexc1ffa03

203422211 has 8 divisors (see below), whose sum is σ = 210798480. Its totient is φ = 196070112.

The previous prime is 203422169. The next prime is 203422213. The reversal of 203422211 is 112224302.

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 203422211 - 210 = 203421187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203422211.

It is not an unprimeable number, because it can be changed into a prime (203422213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12056 + ... + 23498.

It is an arithmetic number, because the mean of its divisors is an integer number (26349810).

Almost surely, 2203422211 is an apocalyptic number.

203422211 is a deficient number, since it is larger than the sum of its proper divisors (7376269).

203422211 is a wasteful number, since it uses less digits than its factorization.

203422211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12085.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203422211 is about 14262.6158540430. The cubic root of 203422211 is about 588.1202368383.

Adding to 203422211 its reverse (112224302), we get a palindrome (315646513).

The spelling of 203422211 in words is "two hundred three million, four hundred twenty-two thousand, two hundred eleven".

Divisors: 1 29 613 11443 17777 331847 7014559 203422211