Search a number
-
+
444404444 = 221121019091
BaseRepresentation
bin11010011111010…
…001001011011100
31010222020002021212
4122133101023130
51402231420234
6112033043552
714004242531
oct3237211334
91128202255
10444404444
11208944700
121049b65b8
13710bab13
1443042d88
15290355ce
hex1a7d12dc

444404444 has 36 divisors (see below), whose sum is σ = 863394504. Its totient is φ = 199980000.

The previous prime is 444404423. The next prime is 444404449.

444404444 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 444404444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444404449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44339 + ... + 53429.

Almost surely, 2444404444 is an apocalyptic number.

444404444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444404444 is a deficient number, since it is larger than the sum of its proper divisors (418990060).

444404444 is a wasteful number, since it uses less digits than its factorization.

444404444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9218 (or 9205 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

The square root of 444404444 is about 21080.9023526034. The cubic root of 444404444 is about 763.1199331428.

It can be divided in two parts, 44440 and 4444, that added together give a palindrome (48884).

The spelling of 444404444 in words is "four hundred forty-four million, four hundred four thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 101 121 202 242 404 484 1111 2222 4444 9091 12221 18182 24442 36364 48884 100001 200002 400004 918191 1100011 1836382 2200022 3672764 4400044 10100101 20200202 40400404 111101111 222202222 444404444