Search a number
-
+
4369641 = 31456547
BaseRepresentation
bin10000101010110011101001
322020000000120
4100222303221
52104312031
6233353453
752066323
oct20526351
98200016
104369641
112514a81
121568889
13b9cbb3
1481a613
155b4a96
hex42ace9

4369641 has 4 divisors (see below), whose sum is σ = 5826192. Its totient is φ = 2913092.

The previous prime is 4369591. The next prime is 4369649. The reversal of 4369641 is 1469634.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4369641 - 27 = 4369513 is a prime.

It is a D-number.

4369641 is a lucky number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (4369649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728271 + ... + 728276.

It is an arithmetic number, because the mean of its divisors is an integer number (1456548).

Almost surely, 24369641 is an apocalyptic number.

It is an amenable number.

4369641 is a deficient number, since it is larger than the sum of its proper divisors (1456551).

4369641 is a wasteful number, since it uses less digits than its factorization.

4369641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456550.

The product of its digits is 15552, while the sum is 33.

The square root of 4369641 is about 2090.3686277784. The cubic root of 4369641 is about 163.4865086269.

The spelling of 4369641 in words is "four million, three hundred sixty-nine thousand, six hundred forty-one".

Divisors: 1 3 1456547 4369641