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8993444 = 22101113197
BaseRepresentation
bin100010010011…
…101010100100
3121220220200112
4202103222210
54300242234
6520432152
7136304645
oct42235244
917826615
108993444
1150929a9
123018658
131b2b685
1412a16cc
15bc9ace
hex893aa4

8993444 has 24 divisors (see below), whose sum is σ = 16116408. Its totient is φ = 4390400.

The previous prime is 8993443. The next prime is 8993447. The reversal of 8993444 is 4443998.

It can be written as a sum of positive squares in 4 ways, for example, as 3564544 + 5428900 = 1888^2 + 2330^2 .

It is a super-2 number, since 2×89934442 = 161764069962272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8993443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45554 + ... + 45750.

It is an arithmetic number, because the mean of its divisors is an integer number (671517).

Almost surely, 28993444 is an apocalyptic number.

It is an amenable number.

8993444 is a deficient number, since it is larger than the sum of its proper divisors (7122964).

8993444 is a wasteful number, since it uses less digits than its factorization.

8993444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 413 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 8993444 is about 2998.9071342741. The cubic root of 8993444 is about 207.9578625194.

The spelling of 8993444 in words is "eight million, nine hundred ninety-three thousand, four hundred forty-four".

Divisors: 1 2 4 101 113 197 202 226 394 404 452 788 11413 19897 22261 22826 39794 44522 45652 79588 89044 2248361 4496722 8993444