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444404401 = 7252125183
BaseRepresentation
bin11010011111010…
…001001010110001
31010222020002020021
4122133101022301
51402231420101
6112033043441
714004242440
oct3237211261
91128202207
10444404401
11208944671
121049b6581
13710baaac
1443042d57
15290355a1
hex1a7d12b1

444404401 has 8 divisors (see below), whose sum is σ = 508112384. Its totient is φ = 380751840.

The previous prime is 444404399. The next prime is 444404423. The reversal of 444404401 is 104404444.

It is a happy number.

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

It is not a de Polignac number, because 444404401 - 21 = 444404399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444404101) 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, 5056 + ... + 30238.

It is an arithmetic number, because the mean of its divisors is an integer number (63514048).

Almost surely, 2444404401 is an apocalyptic number.

It is an amenable number.

444404401 is a deficient number, since it is larger than the sum of its proper divisors (63707983).

444404401 is a wasteful number, since it uses less digits than its factorization.

444404401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27711.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 444404401 is about 21080.9013327229. The cubic root of 444404401 is about 763.1199085299.

Adding to 444404401 its reverse (104404444), we get a palindrome (548808845).

It can be divided in two parts, 44440 and 4401, that added together give a square (48841 = 2212).

The spelling of 444404401 in words is "four hundred forty-four million, four hundred four thousand, four hundred one".

Divisors: 1 7 2521 17647 25183 176281 63486343 444404401