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204250 = 2531943
BaseRepresentation
bin110001110111011010
3101101011211
4301313122
523014000
64213334
71510324
oct616732
9341154
10204250
1112a502
129a24a
1371c77
1454614
15407ba
hex31dda

204250 has 32 divisors (see below), whose sum is σ = 411840. Its totient is φ = 75600.

The previous prime is 204233. The next prime is 204251. The reversal of 204250 is 52402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204250.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204251) 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, 4729 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (12870).

2204250 is an apocalyptic number.

204250 is an abundant number, since it is smaller than the sum of its proper divisors (207590).

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

204250 is a wasteful number, since it uses less digits than its factorization.

204250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 204250 is about 451.9402615391. The cubic root of 204250 is about 58.8916905962.

Adding to 204250 its reverse (52402), we get a palindrome (256652).

It can be divided in two parts, 204 and 250, that added together give a palindrome (454).

The spelling of 204250 in words is "two hundred four thousand, two hundred fifty".

Divisors: 1 2 5 10 19 25 38 43 50 86 95 125 190 215 250 430 475 817 950 1075 1634 2150 2375 4085 4750 5375 8170 10750 20425 40850 102125 204250