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6441404 = 223771613
BaseRepresentation
bin11000100100100110111100
3110010020221112
4120210212330
53122111104
6350021152
7105515414
oct30444674
913106845
106441404
1136aa582
1221a77b8
131446ba8
14bd9644
1587386e
hex6249bc

6441404 has 24 divisors (see below), whose sum is σ = 11759328. Its totient is φ = 3084480.

The previous prime is 6441389. The next prime is 6441427. The reversal of 6441404 is 4041446.

It is a self number, because there is not a number n which added to its sum of digits gives 6441404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10202 + ... + 10814.

It is an arithmetic number, because the mean of its divisors is an integer number (489972).

Almost surely, 26441404 is an apocalyptic number.

It is an amenable number.

6441404 is a deficient number, since it is larger than the sum of its proper divisors (5317924).

6441404 is a wasteful number, since it uses less digits than its factorization.

6441404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 6441404 is about 2537.9921197671. The cubic root of 6441404 is about 186.0630687576.

It can be divided in two parts, 644 and 1404, that added together give a 11-th power (2048 = 211).

The spelling of 6441404 in words is "six million, four hundred forty-one thousand, four hundred four".

Divisors: 1 2 4 37 71 74 142 148 284 613 1226 2452 2627 5254 10508 22681 43523 45362 87046 90724 174092 1610351 3220702 6441404