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5385813 = 31795271
BaseRepresentation
bin10100100010111001010101
3101010121221120
4110202321111
52334321223
6311234153
763531036
oct24427125
911117846
105385813
113049494
121978959
131167594
14a02a8d
15715be3
hex522e55

5385813 has 4 divisors (see below), whose sum is σ = 7181088. Its totient is φ = 3590540.

The previous prime is 5385811. The next prime is 5385817. The reversal of 5385813 is 3185835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5385813 - 21 = 5385811 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5385811) 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, 897633 + ... + 897638.

It is an arithmetic number, because the mean of its divisors is an integer number (1795272).

Almost surely, 25385813 is an apocalyptic number.

It is an amenable number.

5385813 is a deficient number, since it is larger than the sum of its proper divisors (1795275).

5385813 is a wasteful number, since it uses less digits than its factorization.

5385813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795274.

The product of its digits is 14400, while the sum is 33.

The square root of 5385813 is about 2320.7354437764. The cubic root of 5385813 is about 175.2872886589.

The spelling of 5385813 in words is "five million, three hundred eighty-five thousand, eight hundred thirteen".

Divisors: 1 3 1795271 5385813