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4668444 = 22321111789
BaseRepresentation
bin10001110011110000011100
322210011220100
4101303300130
52143342234
6244021100
754452424
oct21636034
98704810
104668444
1126a9520
121691790
13c75bc1
14897484
15623399
hex473c1c

4668444 has 36 divisors (see below), whose sum is σ = 12874680. Its totient is φ = 1414560.

The previous prime is 4668439. The next prime is 4668451. The reversal of 4668444 is 4448664.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×46684442 = 43588738762272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4668399 and 4668408.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5499 + ... + 6290.

It is an arithmetic number, because the mean of its divisors is an integer number (357630).

Almost surely, 24668444 is an apocalyptic number.

4668444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4668444 is an abundant number, since it is smaller than the sum of its proper divisors (8206236).

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

4668444 is a wasteful number, since it uses less digits than its factorization.

4668444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810 (or 11805 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 4668444 is about 2160.6582330392. The cubic root of 4668444 is about 167.1311434764.

The spelling of 4668444 in words is "four million, six hundred sixty-eight thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 11789 23578 35367 47156 70734 106101 129679 141468 212202 259358 389037 424404 518716 778074 1167111 1556148 2334222 4668444