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200243233 = 457438169
BaseRepresentation
bin10111110111101…
…11100000100001
3111221210102002001
423323313200201
5402230240413
631511524001
74651016341
oct1373674041
9457712061
10200243233
11a3039783
1257089601
1332640c28
141c846d21
15128a64dd
hexbef7821

200243233 has 4 divisors (see below), whose sum is σ = 200681860. Its totient is φ = 199804608.

The previous prime is 200243191. The next prime is 200243237. The reversal of 200243233 is 332342002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 160199649 + 40043584 = 12657^2 + 6328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200243233 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 200243233.

It is not an unprimeable number, because it can be changed into a prime (200243237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218628 + ... + 219541.

It is an arithmetic number, because the mean of its divisors is an integer number (50170465).

Almost surely, 2200243233 is an apocalyptic number.

It is an amenable number.

200243233 is a deficient number, since it is larger than the sum of its proper divisors (438627).

200243233 is an equidigital number, since it uses as much as digits as its factorization.

200243233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438626.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 200243233 is about 14150.7325958764. The cubic root of 200243233 is about 585.0405241365.

Adding to 200243233 its reverse (332342002), we get a palindrome (532585235).

The spelling of 200243233 in words is "two hundred million, two hundred forty-three thousand, two hundred thirty-three".

Divisors: 1 457 438169 200243233