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304401204 = 223219445031
BaseRepresentation
bin10010001001001…
…100101100110100
3210012210011221200
4102021030230310
51110411314304
650112212500
710354240032
oct2211145464
9705704850
10304401204
11146910148
1285b3a130
134b0ac173
142c5db552
151bacce39
hex1224cb34

304401204 has 36 divisors (see below), whose sum is σ = 809958240. Its totient is φ = 96126480.

The previous prime is 304401203. The next prime is 304401221. The reversal of 304401204 is 402104403.

304401204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×3044012043 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304401203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221832 + ... + 223199.

It is an arithmetic number, because the mean of its divisors is an integer number (22498840).

Almost surely, 2304401204 is an apocalyptic number.

It is an amenable number.

304401204 is an abundant number, since it is smaller than the sum of its proper divisors (505557036).

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

304401204 is a wasteful number, since it uses less digits than its factorization.

304401204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445060 (or 445055 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 304401204 is about 17447.0972943926. The cubic root of 304401204 is about 672.6907491316.

Adding to 304401204 its reverse (402104403), we get a palindrome (706505607).

The spelling of 304401204 in words is "three hundred four million, four hundred one thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 445031 890062 1335093 1780124 2670186 4005279 5340372 8010558 8455589 16021116 16911178 25366767 33822356 50733534 76100301 101467068 152200602 304401204