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404004484 = 221371731499
BaseRepresentation
bin11000000101001…
…001111010000100
31001011012112222001
4120011021322010
51311411120414
6104031115044
713003660432
oct3005117204
91034175861
10404004484
11198060604
12b3372a84
1365914210
143b927d52
1525705074
hex18149e84

404004484 has 48 divisors (see below), whose sum is σ = 783216000. Its totient is φ = 181198080.

The previous prime is 404004451. The next prime is 404004487. The reversal of 404004484 is 484400404.

It is not an unprimeable number, because it can be changed into a prime (404004487) 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, 268767 + ... + 270265.

It is an arithmetic number, because the mean of its divisors is an integer number (16317000).

Almost surely, 2404004484 is an apocalyptic number.

It is an amenable number.

404004484 is a deficient number, since it is larger than the sum of its proper divisors (379211516).

404004484 is a wasteful number, since it uses less digits than its factorization.

404004484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 404004484 is about 20099.8627856013. The cubic root of 404004484 is about 739.2569141577.

Adding to 404004484 its reverse (484400404), we get a palindrome (888404888).

The spelling of 404004484 in words is "four hundred four million, four thousand, four hundred eighty-four".

Divisors: 1 2 4 13 26 52 71 73 142 146 284 292 923 949 1499 1846 1898 2998 3692 3796 5183 5996 10366 19487 20732 38974 67379 77948 106429 109427 134758 212858 218854 269516 425716 437708 1383577 1422551 2767154 2845102 5534308 5690204 7769317 15538634 31077268 101001121 202002242 404004484