Search a number
-
+
200634 = 23717281
BaseRepresentation
bin110000111110111010
3101012012220
4300332322
522410014
64144510
71463640
oct607672
9335186
10200634
11127815
1298136
1370425
1453190
153e6a9
hex30fba

200634 has 32 divisors (see below), whose sum is σ = 487296. Its totient is φ = 53760.

The previous prime is 200609. The next prime is 200639. The reversal of 200634 is 436002.

200634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (200639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574 + ... + 854.

It is an arithmetic number, because the mean of its divisors is an integer number (15228).

2200634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243648).

200634 is an abundant number, since it is smaller than the sum of its proper divisors (286662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200634 is a wasteful number, since it uses less digits than its factorization.

200634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 200634 is about 447.9218681869. The cubic root of 200634 is about 58.5420838246.

Adding to 200634 its reverse (436002), we get a palindrome (636636).

The spelling of 200634 in words is "two hundred thousand, six hundred thirty-four".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 102 119 238 281 357 562 714 843 1686 1967 3934 4777 5901 9554 11802 14331 28662 33439 66878 100317 200634