Search a number
-
+
4399027 = 10342709
BaseRepresentation
bin10000110001111110110011
322021111022221
4100301332303
52111232102
6234141511
752251103
oct20617663
98244287
104399027
112535066
121581897
13bb0399
14827203
155bd637
hex431fb3

4399027 has 4 divisors (see below), whose sum is σ = 4441840. Its totient is φ = 4356216.

The previous prime is 4399007. The next prime is 4399061. The reversal of 4399027 is 7209934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7209934 = 23604967.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4399027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4398983 and 4399001.

It is not an unprimeable number, because it can be changed into a prime (4399007) 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, 21252 + ... + 21457.

It is an arithmetic number, because the mean of its divisors is an integer number (1110460).

Almost surely, 24399027 is an apocalyptic number.

4399027 is a deficient number, since it is larger than the sum of its proper divisors (42813).

4399027 is a wasteful number, since it uses less digits than its factorization.

4399027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42812.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 4399027 is about 2097.3857537420. The cubic root of 4399027 is about 163.8521744479.

The spelling of 4399027 in words is "four million, three hundred ninety-nine thousand, twenty-seven".

Divisors: 1 103 42709 4399027