Search a number
-
+
444149 = 503883
BaseRepresentation
bin1101100011011110101
3211120020222
41230123311
5103203044
613304125
73526616
oct1543365
9746228
10444149
11283772
12195045
13127214
14b7c0d
158b8ee
hex6c6f5

444149 has 4 divisors (see below), whose sum is σ = 445536. Its totient is φ = 442764.

The previous prime is 444131. The next prime is 444151. The reversal of 444149 is 941444.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 444149 - 28 = 443893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444109) 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, 62 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (111384).

2444149 is an apocalyptic number.

It is an amenable number.

444149 is a deficient number, since it is larger than the sum of its proper divisors (1387).

444149 is an equidigital number, since it uses as much as digits as its factorization.

444149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its digits is 2304, while the sum is 26.

The square root of 444149 is about 666.4450464967. The cubic root of 444149 is about 76.2973691154.

The spelling of 444149 in words is "four hundred forty-four thousand, one hundred forty-nine".

Divisors: 1 503 883 444149