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404010304 = 2617371333
BaseRepresentation
bin11000000101001…
…011010101000000
31001011012211221121
4120011023111000
51311411312204
6104031202024
713004013415
oct3005132500
91034184847
10404010304
11198064a15
12b3376314
1365916a69
143b92a10c
1525706b54
hex1814b540

404010304 has 28 divisors (see below), whose sum is σ = 848869524. Its totient is φ = 190121984.

The previous prime is 404010301. The next prime is 404010331. The reversal of 404010304 is 403010404.

It can be written as a sum of positive squares in 2 ways, for example, as 287370304 + 116640000 = 16952^2 + 10800^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404010301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184579 + ... + 186754.

Almost surely, 2404010304 is an apocalyptic number.

It is an amenable number.

404010304 is an abundant number, since it is smaller than the sum of its proper divisors (444859220).

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

404010304 is a wasteful number, since it uses less digits than its factorization.

404010304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371362 (or 371352 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 404010304 is about 20100.0075621876. The cubic root of 404010304 is about 739.2604639984.

Adding to 404010304 its reverse (403010404), we get a palindrome (807020708).

The spelling of 404010304 in words is "four hundred four million, ten thousand, three hundred four".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 371333 742666 1485332 2970664 5941328 6312661 11882656 12625322 23765312 25250644 50501288 101002576 202005152 404010304