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200641 = 728663
BaseRepresentation
bin110000111111000001
3101012020011
4300333001
522410031
64144521
71463650
oct607701
9335204
10200641
11127821
1298141
137042c
1453197
153e6b1
hex30fc1

200641 has 4 divisors (see below), whose sum is σ = 229312. Its totient is φ = 171972.

The previous prime is 200639. The next prime is 200657. The reversal of 200641 is 146002.

200641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200641 - 21 = 200639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200671) 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, 14325 + ... + 14338.

It is an arithmetic number, because the mean of its divisors is an integer number (57328).

2200641 is an apocalyptic number.

It is an amenable number.

200641 is a deficient number, since it is larger than the sum of its proper divisors (28671).

200641 is an equidigital number, since it uses as much as digits as its factorization.

200641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28670.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 200641 is about 447.9296819814. The cubic root of 200641 is about 58.5427646494.

Adding to 200641 its reverse (146002), we get a palindrome (346643).

It can be divided in two parts, 200 and 641, that added together give a square (841 = 292).

The spelling of 200641 in words is "two hundred thousand, six hundred forty-one".

Divisors: 1 7 28663 200641