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201000223 = 1731161851
BaseRepresentation
bin10111111101100…
…00010100011111
3112000012212110201
423332300110133
5402424001343
631540044331
74660321324
oct1376602437
9460185421
10201000223
11a3506496
12573936a7
1332847658
141c9a2b4b
15129a594d
hexbfb051f

201000223 has 4 divisors (see below), whose sum is σ = 202162248. Its totient is φ = 199838200.

The previous prime is 201000211. The next prime is 201000229. The reversal of 201000223 is 322000102.

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

It is a cyclic number.

It is not a de Polignac number, because 201000223 - 225 = 167445791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000229) 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, 580753 + ... + 581098.

It is an arithmetic number, because the mean of its divisors is an integer number (50540562).

Almost surely, 2201000223 is an apocalyptic number.

201000223 is a deficient number, since it is larger than the sum of its proper divisors (1162025).

201000223 is a wasteful number, since it uses less digits than its factorization.

201000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162024.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 201000223 is about 14177.4547433593. The cubic root of 201000223 is about 585.7768168955.

Adding to 201000223 its reverse (322000102), we get a palindrome (523000325).

The spelling of 201000223 in words is "two hundred one million, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 173 1161851 201000223