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5385805 = 51077161
BaseRepresentation
bin10100100010111001001101
3101010121221021
4110202321031
52334321210
6311234141
763531025
oct24427115
911117837
105385805
113049487
121978951
131167589
14a02a85
15715bda
hex522e4d

5385805 has 4 divisors (see below), whose sum is σ = 6462972. Its totient is φ = 4308640.

The previous prime is 5385781. The next prime is 5385811. The reversal of 5385805 is 5085835.

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 1297321 + 4088484 = 1139^2 + 2022^2 .

It is not a de Polignac number, because 5385805 - 211 = 5383757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 538576 + ... + 538585.

It is an arithmetic number, because the mean of its divisors is an integer number (1615743).

Almost surely, 25385805 is an apocalyptic number.

It is an amenable number.

5385805 is a deficient number, since it is larger than the sum of its proper divisors (1077167).

5385805 is a wasteful number, since it uses less digits than its factorization.

5385805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077166.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 5385805 is about 2320.7337201842. The cubic root of 5385805 is about 175.2872018692.

It can be divided in two parts, 53 and 85805, that added together give a palindrome (85858).

The spelling of 5385805 in words is "five million, three hundred eighty-five thousand, eight hundred five".

Divisors: 1 5 1077161 5385805