Search a number
-
+
3075689 = 3538713
BaseRepresentation
bin1011101110111001101001
312210021001102
423232321221
51241410224
6145531145
735100011
oct13567151
95707042
103075689
1118108a1
121043ab5
13838c46
145a0c41
1540b4ae
hex2eee69

3075689 has 4 divisors (see below), whose sum is σ = 3084756. Its totient is φ = 3066624.

The previous prime is 3075679. The next prime is 3075703. The reversal of 3075689 is 9865703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9865703 = 10639281.

It can be written as a sum of positive squares in 2 ways, for example, as 2301289 + 774400 = 1517^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 3075689 - 28 = 3075433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3075619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4004 + ... + 4709.

It is an arithmetic number, because the mean of its divisors is an integer number (771189).

Almost surely, 23075689 is an apocalyptic number.

It is an amenable number.

3075689 is a deficient number, since it is larger than the sum of its proper divisors (9067).

3075689 is an equidigital number, since it uses as much as digits as its factorization.

3075689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9066.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3075689 is about 1753.7642372907. The cubic root of 3075689 is about 145.4278130205.

The spelling of 3075689 in words is "three million, seventy-five thousand, six hundred eighty-nine".

Divisors: 1 353 8713 3075689