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5308181 = 9415641
BaseRepresentation
bin10100001111111100010101
3100222200110022
4110033330111
52324330211
6305434525
763055514
oct24177425
910880408
105308181
112aa612a
12193ba45
13113b148
149c267b
156ecbdb
hex50ff15

5308181 has 4 divisors (see below), whose sum is σ = 5314764. Its totient is φ = 5301600.

The previous prime is 5308169. The next prime is 5308207. The reversal of 5308181 is 1818035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4558225 + 749956 = 2135^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 5308181 - 26 = 5308117 is a prime.

It is a super-2 number, since 2×53081812 = 56353571057522, which contains 22 as substring.

It is a deceptive number, since it divides R5308180.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5308181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5308111) 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 3 ways as a sum of consecutive naturals, for example, 1880 + ... + 3761.

It is an arithmetic number, because the mean of its divisors is an integer number (1328691).

Almost surely, 25308181 is an apocalyptic number.

It is an amenable number.

5308181 is a deficient number, since it is larger than the sum of its proper divisors (6583).

5308181 is an equidigital number, since it uses as much as digits as its factorization.

5308181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6582.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 5308181 is about 2303.9490011717. The cubic root of 5308181 is about 174.4410027074.

The spelling of 5308181 in words is "five million, three hundred eight thousand, one hundred eighty-one".

Divisors: 1 941 5641 5308181