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200304 = 243213107
BaseRepresentation
bin110000111001110000
3101011202200
4300321300
522402204
64143200
71462656
oct607160
9334680
10200304
11127545
1297b00
1370230
1452dd6
153e539
hex30e70

200304 has 60 divisors (see below), whose sum is σ = 609336. Its totient is φ = 61056.

The previous prime is 200297. The next prime is 200323. The reversal of 200304 is 403002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1819 + ... + 1925.

2200304 is an apocalyptic number.

200304 is a gapful number since it is divisible by the number (24) 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 200304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304668).

200304 is an abundant number, since it is smaller than the sum of its proper divisors (409032).

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

200304 is a wasteful number, since it uses less digits than its factorization.

200304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 200304 is about 447.5533487753. The cubic root of 200304 is about 58.5099698108.

Adding to 200304 its reverse (403002), we get a palindrome (603306).

The spelling of 200304 in words is "two hundred thousand, three hundred four", and thus it is an iban number.

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 107 117 144 156 208 214 234 312 321 428 468 624 642 856 936 963 1284 1391 1712 1872 1926 2568 2782 3852 4173 5136 5564 7704 8346 11128 12519 15408 16692 22256 25038 33384 50076 66768 100152 200304