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40230544 = 243767957
BaseRepresentation
bin1001100101110…
…1111010010000
32210200220221011
42121131322100
540244334134
63554140304
7665645134
oct231357220
983626834
1040230544
1120788892
1211581694
138447773
1454b33c4
1537ea264
hex265de90

40230544 has 20 divisors (see below), whose sum is σ = 80054524. Its totient is φ = 19571328.

The previous prime is 40230527. The next prime is 40230557. The reversal of 40230544 is 44503204.

It is a happy number.

40230544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17305600 + 22924944 = 4160^2 + 4788^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33387 + ... + 34570.

Almost surely, 240230544 is an apocalyptic number.

It is an amenable number.

40230544 is a deficient number, since it is larger than the sum of its proper divisors (39823980).

40230544 is a wasteful number, since it uses less digits than its factorization.

40230544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68002 (or 67996 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40230544 is about 6342.7552372766. The cubic root of 40230544 is about 342.6509722121.

Adding to 40230544 its reverse (44503204), we get a palindrome (84733748).

The spelling of 40230544 in words is "forty million, two hundred thirty thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 37 74 148 296 592 67957 135914 271828 543656 1087312 2514409 5028818 10057636 20115272 40230544