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200489 = 1571277
BaseRepresentation
bin110000111100101001
3101012000112
4300330221
522403424
64144105
71463342
oct607451
9335015
10200489
111276a3
1298035
1370343
14530c9
153e60e
hex30f29

200489 has 4 divisors (see below), whose sum is σ = 201924. Its totient is φ = 199056.

The previous prime is 200483. The next prime is 200513. The reversal of 200489 is 984002.

200489 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.

It can be written as a sum of positive squares in 2 ways, for example, as 94864 + 105625 = 308^2 + 325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200489 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 200489.

It is not an unprimeable number, because it can be changed into a prime (200483) 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, 482 + ... + 795.

It is an arithmetic number, because the mean of its divisors is an integer number (50481).

2200489 is an apocalyptic number.

It is an amenable number.

200489 is a deficient number, since it is larger than the sum of its proper divisors (1435).

200489 is a wasteful number, since it uses less digits than its factorization.

200489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 200489 is about 447.7599803466. The cubic root of 200489 is about 58.5279774620.

The spelling of 200489 in words is "two hundred thousand, four hundred eighty-nine".

Divisors: 1 157 1277 200489