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5806261 = 6019661
BaseRepresentation
bin10110001001100010110101
3101220222200201
4112021202311
52441300021
6324240501
7100231606
oct26114265
911828621
105806261
11330636a
121b40131
131283a76
14ab1dad
1579a591
hex5898b5

5806261 has 4 divisors (see below), whose sum is σ = 5816524. Its totient is φ = 5796000.

The previous prime is 5806259. The next prime is 5806289. The reversal of 5806261 is 1626085.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1626085 = 5325217.

It can be written as a sum of positive squares in 2 ways, for example, as 1782225 + 4024036 = 1335^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 5806261 - 21 = 5806259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5806561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4230 + ... + 5431.

It is an arithmetic number, because the mean of its divisors is an integer number (1454131).

Almost surely, 25806261 is an apocalyptic number.

It is an amenable number.

5806261 is a deficient number, since it is larger than the sum of its proper divisors (10263).

5806261 is an equidigital number, since it uses as much as digits as its factorization.

5806261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10262.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 5806261 is about 2409.6184345244. The cubic root of 5806261 is about 179.7348049517.

The spelling of 5806261 in words is "five million, eight hundred six thousand, two hundred sixty-one".

Divisors: 1 601 9661 5806261