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404131244 = 22119184801
BaseRepresentation
bin11000000101101…
…000110110101100
31001011102222211212
4120011220312230
51311424144434
6104033533552
713005026126
oct3005506654
91034388755
10404131244
11198137870
12b34142b8
1365959b1a
143b95c216
152572c8ce
hex18168dac

404131244 has 12 divisors (see below), whose sum is σ = 771523368. Its totient is φ = 183696000.

The previous prime is 404131237. The next prime is 404131253. The reversal of 404131244 is 442131404.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4592357 + ... + 4592444.

It is an arithmetic number, because the mean of its divisors is an integer number (64293614).

Almost surely, 2404131244 is an apocalyptic number.

404131244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404131244 is a deficient number, since it is larger than the sum of its proper divisors (367392124).

404131244 is a wasteful number, since it uses less digits than its factorization.

404131244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184816 (or 9184814 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 404131244 is about 20103.0157936564. The cubic root of 404131244 is about 739.3342222168.

Adding to 404131244 its reverse (442131404), we get a palindrome (846262648).

The spelling of 404131244 in words is "four hundred four million, one hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 9184801 18369602 36739204 101032811 202065622 404131244