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444200405 = 5118076371
BaseRepresentation
bin11010011110011…
…111010111010101
31010221211201101212
4122132133113111
51402203403110
6112024431205
714002432625
oct3236372725
91127751355
10444200405
11208815380
12104918505
1371048c9c
1442dcc885
1528ee4e05
hex1a79f5d5

444200405 has 8 divisors (see below), whose sum is σ = 581498784. Its totient is φ = 323054800.

The previous prime is 444200399. The next prime is 444200413. The reversal of 444200405 is 504002444.

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

It is not a de Polignac number, because 444200405 - 214 = 444184021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4038131 + ... + 4038240.

It is an arithmetic number, because the mean of its divisors is an integer number (72687348).

Almost surely, 2444200405 is an apocalyptic number.

It is an amenable number.

444200405 is a deficient number, since it is larger than the sum of its proper divisors (137298379).

444200405 is a wasteful number, since it uses less digits than its factorization.

444200405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076387.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 444200405 is about 21076.0623694275. The cubic root of 444200405 is about 763.0031250820.

Adding to 444200405 its reverse (504002444), we get a palindrome (948202849).

The spelling of 444200405 in words is "four hundred forty-four million, two hundred thousand, four hundred five".

Divisors: 1 5 11 55 8076371 40381855 88840081 444200405