Search a number
-
+
4579013 = 29157897
BaseRepresentation
bin10001011101111011000101
322121122020002
4101131323011
52133012023
6242051045
753630615
oct21357305
98548202
104579013
11264830a
121649a85
13c4429a
14872a45
15606b28
hex45dec5

4579013 has 4 divisors (see below), whose sum is σ = 4736940. Its totient is φ = 4421088.

The previous prime is 4579007. The next prime is 4579021. The reversal of 4579013 is 3109754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3109754 = 21554877.

It can be written as a sum of positive squares in 2 ways, for example, as 1682209 + 2896804 = 1297^2 + 1702^2 .

It is a cyclic number.

It is not a de Polignac number, because 4579013 - 26 = 4578949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 157897 = 4579013 / (4 + 5 + 7 + 9 + 0 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4579033) by changing a digit.

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, 78920 + ... + 78977.

It is an arithmetic number, because the mean of its divisors is an integer number (1184235).

Almost surely, 24579013 is an apocalyptic number.

It is an amenable number.

4579013 is a deficient number, since it is larger than the sum of its proper divisors (157927).

4579013 is a wasteful number, since it uses less digits than its factorization.

4579013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157926.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 4579013 is about 2139.8628460721. The cubic root of 4579013 is about 166.0570399616.

The spelling of 4579013 in words is "four million, five hundred seventy-nine thousand, thirteen".

Divisors: 1 29 157897 4579013