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54040660 = 2252702033
BaseRepresentation
bin1100111000100…
…1100001010100
310202200112211221
43032021201110
5102313300120
65210140124
71224223642
oct316114124
9122615757
1054040660
1128560603
1216121644
13b27162b
14726a192
154b270aa
hex3389854

54040660 has 12 divisors (see below), whose sum is σ = 113485428. Its totient is φ = 21616256.

The previous prime is 54040643. The next prime is 54040663. The reversal of 54040660 is 6604045.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37896336 + 16144324 = 6156^2 + 4018^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54040663) 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, 1350997 + ... + 1351036.

It is an arithmetic number, because the mean of its divisors is an integer number (9457119).

Almost surely, 254040660 is an apocalyptic number.

It is an amenable number.

54040660 is an abundant number, since it is smaller than the sum of its proper divisors (59444768).

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

54040660 is a wasteful number, since it uses less digits than its factorization.

54040660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702042 (or 2702040 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 54040660 is about 7351.2352703474. The cubic root of 54040660 is about 378.0711585566.

The spelling of 54040660 in words is "fifty-four million, forty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 2702033 5404066 10808132 13510165 27020330 54040660