Search a number
-
+
2704045 = 5540809
BaseRepresentation
bin1010010100001010101101
312002101020211
422110022231
51143012140
6133542421
731661341
oct12241255
95071224
102704045
111587653
12aa4a11
13738a36
14505621
153862ea
hex2942ad

2704045 has 4 divisors (see below), whose sum is σ = 3244860. Its totient is φ = 2163232.

The previous prime is 2704043. The next prime is 2704049. The reversal of 2704045 is 5404072.

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 1582564 + 1121481 = 1258^2 + 1059^2 .

It is a cyclic number.

It is not a de Polignac number, because 2704045 - 21 = 2704043 is a prime.

2704045 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2704043) 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, 270400 + ... + 270409.

It is an arithmetic number, because the mean of its divisors is an integer number (811215).

22704045 is an apocalyptic number.

It is an amenable number.

2704045 is a deficient number, since it is larger than the sum of its proper divisors (540815).

2704045 is an equidigital number, since it uses as much as digits as its factorization.

2704045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540814.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2704045 is about 1644.3980661628. The cubic root of 2704045 is about 139.3171681884.

The spelling of 2704045 in words is "two million, seven hundred four thousand, forty-five".

Divisors: 1 5 540809 2704045