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5565213 = 333161109
BaseRepresentation
bin10101001110101100011101
3101110202001000
4111032230131
52411041323
6315140513
765206053
oct25165435
911422030
105565213
113161255
121a44739
1311cb134
14a4c1d3
1574de43
hex54eb1d

5565213 has 32 divisors (see below), whose sum is σ = 8729600. Its totient is φ = 3499200.

The previous prime is 5565211. The next prime is 5565227. The reversal of 5565213 is 3125655.

5565213 is a `hidden beast` number, since 5 + 5 + 652 + 1 + 3 = 666.

It is not a de Polignac number, because 5565213 - 21 = 5565211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 51003 + ... + 51111.

It is an arithmetic number, because the mean of its divisors is an integer number (272800).

Almost surely, 25565213 is an apocalyptic number.

It is an amenable number.

5565213 is a deficient number, since it is larger than the sum of its proper divisors (3164387).

5565213 is a wasteful number, since it uses less digits than its factorization.

5565213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 204 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 5565213 is about 2359.0703677508. The cubic root of 5565213 is about 177.2123277827.

It can be divided in two parts, 5565 and 213, that added together give a triangular number (5778 = T107).

The spelling of 5565213 in words is "five million, five hundred sixty-five thousand, two hundred thirteen".

Divisors: 1 3 9 27 31 61 93 109 183 279 327 549 837 981 1647 1891 2943 3379 5673 6649 10137 17019 19947 30411 51057 59841 91233 179523 206119 618357 1855071 5565213