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404122444 = 22119184601
BaseRepresentation
bin11000000101100…
…110101101001100
31001011102112202221
4120011212231030
51311423404234
6104033425124
713004661355
oct3005465514
91034375687
10404122444
111981311a0
12b340b1a4
1365955b0b
143b958d2c
1525729eb4
hex18166b4c

404122444 has 12 divisors (see below), whose sum is σ = 771506568. Its totient is φ = 183692000.

The previous prime is 404122429. The next prime is 404122529. The reversal of 404122444 is 444221404.

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, 4592257 + ... + 4592344.

It is an arithmetic number, because the mean of its divisors is an integer number (64292214).

Almost surely, 2404122444 is an apocalyptic number.

404122444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

404122444 is a deficient number, since it is larger than the sum of its proper divisors (367384124).

404122444 is a wasteful number, since it uses less digits than its factorization.

404122444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184616 (or 9184614 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 404122444 is about 20102.7969198318. The cubic root of 404122444 is about 739.3288558179.

Adding to 404122444 its reverse (444221404), we get a palindrome (848343848).

The spelling of 404122444 in words is "four hundred four million, one hundred twenty-two thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 9184601 18369202 36738404 101030611 202061222 404122444