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5628813 = 32329297
BaseRepresentation
bin10101011110001110001101
3101120222021120
4111132032031
52420110223
6320351153
765562351
oct25361615
911528246
105628813
1131a5013
121a754b9
131221078
14a67461
15762be3
hex55e38d

5628813 has 24 divisors (see below), whose sum is σ = 8194368. Its totient is φ = 3429888.

The previous prime is 5628797. The next prime is 5628839. The reversal of 5628813 is 3188265.

It is a happy number.

It is not a de Polignac number, because 5628813 - 24 = 5628797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5628863) 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 23 ways as a sum of consecutive naturals, for example, 57981 + ... + 58077.

It is an arithmetic number, because the mean of its divisors is an integer number (341432).

Almost surely, 25628813 is an apocalyptic number.

It is an amenable number.

5628813 is a deficient number, since it is larger than the sum of its proper divisors (2565555).

5628813 is a wasteful number, since it uses less digits than its factorization.

5628813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 152 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 5628813 is about 2372.5119599277. The cubic root of 5628813 is about 177.8848411380.

It can be divided in two parts, 5628 and 813, that added together give a triangular number (6441 = T113).

The spelling of 5628813 in words is "five million, six hundred twenty-eight thousand, eight hundred thirteen".

Divisors: 1 3 23 29 69 87 97 291 667 841 2001 2231 2523 2813 6693 8439 19343 58029 64699 81577 194097 244731 1876271 5628813