Search a number
-
+
441861069 = 31311329771
BaseRepresentation
bin11010010101100…
…100001111001101
31010210102212102210
4122111210033031
51401104023234
6111502341033
713643520456
oct3225441715
91123385383
10441861069
11207467841
12103b8a779
137070a270
144298012d
1528bd1be9
hex1a5643cd

441861069 has 8 divisors (see below), whose sum is σ = 634467232. Its totient is φ = 271914480.

The previous prime is 441861061. The next prime is 441861071. The reversal of 441861069 is 960168144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 441861069 - 23 = 441861061 is a prime.

It is a super-2 number, since 2×4418610692 = 390482408595645522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 11329771 = 441861069 / (4 + 4 + 1 + 8 + 6 + 1 + 0 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441861061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5664847 + ... + 5664924.

It is an arithmetic number, because the mean of its divisors is an integer number (79308404).

Almost surely, 2441861069 is an apocalyptic number.

It is an amenable number.

441861069 is a deficient number, since it is larger than the sum of its proper divisors (192606163).

441861069 is a wasteful number, since it uses less digits than its factorization.

441861069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11329787.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 441861069 is about 21020.4916450591. The cubic root of 441861069 is about 761.6613408890.

The spelling of 441861069 in words is "four hundred forty-one million, eight hundred sixty-one thousand, sixty-nine".

Divisors: 1 3 13 39 11329771 33989313 147287023 441861069