Search a number
-
+
56183885 = 511236777
BaseRepresentation
bin1101011001010…
…0110001001101
310220201102210122
43112110301031
5103340341020
65324114325
71251361262
oct326246115
9126642718
1056183885
112979486a
12169959a5
13b842004
147667269
154dec125
hex3594c4d

56183885 has 4 divisors (see below), whose sum is σ = 67420668. Its totient is φ = 44947104.

The previous prime is 56183879. The next prime is 56183891. The reversal of 56183885 is 58838165.

56183885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (56183879) and next prime (56183891).

It can be written as a sum of positive squares in 2 ways, for example, as 36990724 + 19193161 = 6082^2 + 4381^2 .

It is a cyclic number.

It is not a de Polignac number, because 56183885 - 26 = 56183821 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5618384 + ... + 5618393.

It is an arithmetic number, because the mean of its divisors is an integer number (16855167).

Almost surely, 256183885 is an apocalyptic number.

It is an amenable number.

56183885 is a deficient number, since it is larger than the sum of its proper divisors (11236783).

56183885 is a wasteful number, since it uses less digits than its factorization.

56183885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236782.

The product of its digits is 230400, while the sum is 44.

The square root of 56183885 is about 7495.5910374033. The cubic root of 56183885 is about 383.0045401639.

The spelling of 56183885 in words is "fifty-six million, one hundred eighty-three thousand, eight hundred eighty-five".

Divisors: 1 5 11236777 56183885