Search a number
-
+
444408404 = 221119531589
BaseRepresentation
bin11010011111010…
…010001001010100
31010222020021201112
4122133102021110
51402232032104
6112033114152
714004260216
oct3237221124
91128207645
10444408404
11208947680
121049b8958
13710bc86b
14430445b6
152903686e
hex1a7d2254

444408404 has 24 divisors (see below), whose sum is σ = 893071200. Its totient is φ = 191371680.

The previous prime is 444408403. The next prime is 444408413. The reversal of 444408404 is 404804444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444408401) 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, 264959 + ... + 266630.

It is an arithmetic number, because the mean of its divisors is an integer number (37211300).

Almost surely, 2444408404 is an apocalyptic number.

444408404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444408404 is an abundant number, since it is smaller than the sum of its proper divisors (448662796).

444408404 is a wasteful number, since it uses less digits than its factorization.

444408404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531623 (or 531621 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The square root of 444408404 is about 21080.9962762674. The cubic root of 444408404 is about 763.1221998062.

The spelling of 444408404 in words is "four hundred forty-four million, four hundred eight thousand, four hundred four".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 531589 1063178 2126356 5847479 10100191 11694958 20200382 23389916 40400764 111102101 222204202 444408404