Search a number
-
+
204360 = 233513131
BaseRepresentation
bin110001111001001000
3101101022220
4301321020
523014420
64214040
71510542
oct617110
9341286
10204360
1112a5a2
129a320
1372030
1454692
1540840
hex31e48

204360 has 64 divisors (see below), whose sum is σ = 665280. Its totient is φ = 49920.

The previous prime is 204359. The next prime is 204361. The reversal of 204360 is 63402.

204360 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204359) and next prime (204361).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (204361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (10395).

2204360 is an apocalyptic number.

204360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332640).

204360 is an abundant number, since it is smaller than the sum of its proper divisors (460920).

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

204360 is a wasteful number, since it uses less digits than its factorization.

204360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 154 counting only the distinct ones).

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

The square root of 204360 is about 452.0619426583. The cubic root of 204360 is about 58.9022608506.

Adding to 204360 its reverse (63402), we get a palindrome (267762).

The spelling of 204360 in words is "two hundred four thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 131 156 195 260 262 312 390 393 520 524 655 780 786 1048 1310 1560 1572 1703 1965 2620 3144 3406 3930 5109 5240 6812 7860 8515 10218 13624 15720 17030 20436 25545 34060 40872 51090 68120 102180 204360