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5401444 = 221779433
BaseRepresentation
bin10100100110101101100100
3101011102101111
4110212231210
52340321234
6311434404
763624436
oct24465544
911142344
105401444
11305a204
121985a04
131171729
14a08656
1571a664
hex526b64

5401444 has 12 divisors (see below), whose sum is σ = 10008684. Its totient is φ = 2541824.

The previous prime is 5401439. The next prime is 5401447. The reversal of 5401444 is 4441045.

It can be written as a sum of positive squares in 2 ways, for example, as 4460544 + 940900 = 2112^2 + 970^2 .

It is not an unprimeable number, because it can be changed into a prime (5401447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39649 + ... + 39784.

It is an arithmetic number, because the mean of its divisors is an integer number (834057).

Almost surely, 25401444 is an apocalyptic number.

It is an amenable number.

5401444 is a deficient number, since it is larger than the sum of its proper divisors (4607240).

5401444 is a wasteful number, since it uses less digits than its factorization.

5401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79454 (or 79452 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 5401444 is about 2324.1006862871. The cubic root of 5401444 is about 175.4567009791.

Adding to 5401444 its reverse (4441045), we get a palindrome (9842489).

The spelling of 5401444 in words is "five million, four hundred one thousand, four hundred forty-four".

Divisors: 1 2 4 17 34 68 79433 158866 317732 1350361 2700722 5401444