Search a number
-
+
4668385 = 5933677
BaseRepresentation
bin10001110011101111100001
322210011211011
4101303233201
52143342020
6244020521
754452311
oct21635741
98704734
104668385
1126a9477
121691741
13c75b77
14897441
1562335a
hex473be1

4668385 has 4 divisors (see below), whose sum is σ = 5602068. Its totient is φ = 3734704.

The previous prime is 4668373. The next prime is 4668397. The reversal of 4668385 is 5838664.

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 (4668373) and next prime (4668397).

It can be written as a sum of positive squares in 2 ways, for example, as 889249 + 3779136 = 943^2 + 1944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4668385 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian 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, 466834 + ... + 466843.

It is an arithmetic number, because the mean of its divisors is an integer number (1400517).

Almost surely, 24668385 is an apocalyptic number.

It is an amenable number.

4668385 is a deficient number, since it is larger than the sum of its proper divisors (933683).

4668385 is an equidigital number, since it uses as much as digits as its factorization.

4668385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933682.

The product of its digits is 138240, while the sum is 40.

The square root of 4668385 is about 2160.6445797493. The cubic root of 4668385 is about 167.1304394032.

It can be divided in two parts, 466 and 8385, that multiplied together give a triangular number (3907410 = T2795).

The spelling of 4668385 in words is "four million, six hundred sixty-eight thousand, three hundred eighty-five".

Divisors: 1 5 933677 4668385