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404122244 = 22531906237
BaseRepresentation
bin11000000101100…
…110101010000100
31001011102112111112
4120011212222010
51311423402434
6104033424152
713004660651
oct3005465204
91034375445
10404122244
11198131029
12b340b058
13659559b6
143b958c28
1525729dce
hex18166a84

404122244 has 12 divisors (see below), whose sum is σ = 720557964. Its totient is φ = 198248544.

The previous prime is 404122219. The next prime is 404122247. The reversal of 404122244 is 442221404.

It can be written as a sum of positive squares in 2 ways, for example, as 313644100 + 90478144 = 17710^2 + 9512^2 .

It is not an unprimeable number, because it can be changed into a prime (404122247) 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 3 ways as a sum of consecutive naturals, for example, 952907 + ... + 953330.

It is an arithmetic number, because the mean of its divisors is an integer number (60046497).

Almost surely, 2404122244 is an apocalyptic number.

It is an amenable number.

404122244 is a deficient number, since it is larger than the sum of its proper divisors (316435720).

404122244 is a wasteful number, since it uses less digits than its factorization.

404122244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906294 (or 1906292 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 404122244 is about 20102.7919453990. The cubic root of 404122244 is about 739.3287338534.

Adding to 404122244 its reverse (442221404), we get a palindrome (846343648).

The spelling of 404122244 in words is "four hundred four million, one hundred twenty-two thousand, two hundred forty-four".

Divisors: 1 2 4 53 106 212 1906237 3812474 7624948 101030561 202061122 404122244