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5620809 = 32329532
BaseRepresentation
bin10101011100010001001001
3101120120022010
4111130101021
52414331214
6320250133
765530125
oct25342111
911516263
105620809
113199aa7
121a70949
13121a52c
14a64585
15760659
hex55c449

5620809 has 24 divisors (see below), whose sum is σ = 8245440. Its totient is φ = 3395392.

The previous prime is 5620807. The next prime is 5620837. The reversal of 5620809 is 9080265.

It is not a de Polignac number, because 5620809 - 21 = 5620807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5620801) 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, 106027 + ... + 106079.

It is an arithmetic number, because the mean of its divisors is an integer number (343560).

Almost surely, 25620809 is an apocalyptic number.

It is an amenable number.

5620809 is a deficient number, since it is larger than the sum of its proper divisors (2624631).

5620809 is a wasteful number, since it uses less digits than its factorization.

5620809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 5620809 is about 2370.8245401126. The cubic root of 5620809 is about 177.8004855398.

The spelling of 5620809 in words is "five million, six hundred twenty thousand, eight hundred nine".

Divisors: 1 3 23 29 53 69 87 159 667 1219 1537 2001 2809 3657 4611 8427 35351 64607 81461 106053 193821 244383 1873603 5620809