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441894541 = 1129413881
BaseRepresentation
bin11010010101101…
…100011010001101
31010210111120100111
4122111230122031
51401111111131
6111503200021
713644020164
oct3225543215
91123446314
10441894541
1120748aa00
12103ba6011
137071c57a
144298c3db
1528bdbab1
hex1a56c68d

441894541 has 12 divisors (see below), whose sum is σ = 486360252. Its totient is φ = 401192000.

The previous prime is 441894539. The next prime is 441894569. The reversal of 441894541 is 145498144.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 276257641 + 165636900 = 16621^2 + 12870^2 .

It is not a de Polignac number, because 441894541 - 21 = 441894539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441894494 and 441894503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441894521) 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, 111921 + ... + 115801.

It is an arithmetic number, because the mean of its divisors is an integer number (40530021).

Almost surely, 2441894541 is an apocalyptic number.

It is an amenable number.

441894541 is a deficient number, since it is larger than the sum of its proper divisors (44465711).

441894541 is a wasteful number, since it uses less digits than its factorization.

441894541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844 (or 4833 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 441894541 is about 21021.2878054604. The cubic root of 441894541 is about 761.6805729407.

The spelling of 441894541 in words is "four hundred forty-one million, eight hundred ninety-four thousand, five hundred forty-one".

Divisors: 1 11 121 941 3881 10351 42691 113861 469601 3652021 40172231 441894541