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4040480 = 25525253
BaseRepresentation
bin1111011010011100100000
321121021111102
433122130200
52013243410
6222333532
746225553
oct17323440
97537442
104040480
11230a744
12142a2a8
13ab6122
1477269a
1554c2a5
hex3da720

4040480 has 24 divisors (see below), whose sum is σ = 9546012. Its totient is φ = 1616128.

The previous prime is 4040473. The next prime is 4040501. The reversal of 4040480 is 840404.

4040480 is digitally balanced in base 2 and base 5, because in such bases 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 3857296 + 183184 = 1964^2 + 428^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 3 ways as a sum of consecutive naturals, for example, 12467 + ... + 12786.

Almost surely, 24040480 is an apocalyptic number.

4040480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040480 is an abundant number, since it is smaller than the sum of its proper divisors (5505532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040480 is a wasteful number, since it uses less digits than its factorization.

4040480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25268 (or 25260 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4040480 is about 2010.0945251405. The cubic root of 4040480 is about 159.2737922092.

Adding to 4040480 its reverse (840404), we get a palindrome (4880884).

The spelling of 4040480 in words is "four million, forty thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 25253 50506 101012 126265 202024 252530 404048 505060 808096 1010120 2020240 4040480