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5806989 = 3219291171
BaseRepresentation
bin10110001001101110001101
3101221000200200
4112021232031
52441310424
6324244113
7100233666
oct26115615
911830620
105806989
113306971
121b40639
1312841b6
14ab236d
1579a8c9
hex589b8d

5806989 has 24 divisors (see below), whose sum is σ = 9141600. Its totient is φ = 3538080.

The previous prime is 5806987. The next prime is 5806993. The reversal of 5806989 is 9896085.

5806989 is a `hidden beast` number, since 580 + 69 + 8 + 9 = 666.

It is not a de Polignac number, because 5806989 - 21 = 5806987 is a prime.

It is a super-2 number, since 2×58069892 = 67442242492242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5806981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4374 + ... + 5544.

It is an arithmetic number, because the mean of its divisors is an integer number (380900).

Almost surely, 25806989 is an apocalyptic number.

It is an amenable number.

5806989 is a deficient number, since it is larger than the sum of its proper divisors (3334611).

5806989 is a wasteful number, since it uses less digits than its factorization.

5806989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 5806989 is about 2409.7694910510. The cubic root of 5806989 is about 179.7423164679.

It can be divided in two parts, 580 and 6989, that added together give a square (7569 = 872).

The spelling of 5806989 in words is "five million, eight hundred six thousand, nine hundred eighty-nine".

Divisors: 1 3 9 19 29 57 87 171 261 551 1171 1653 3513 4959 10539 22249 33959 66747 101877 200241 305631 645221 1935663 5806989