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54066040 = 2357193093
BaseRepresentation
bin1100111000111…
…1101101111000
310202201211122221
43032033231320
5102320103130
65210453424
71224360640
oct316175570
9122654587
1054066040
1128578686
1216134274
13b280052
147275520
154b2e87a
hex338fb78

54066040 has 32 divisors (see below), whose sum is σ = 139027680. Its totient is φ = 18536832.

The previous prime is 54066011. The next prime is 54066043. The reversal of 54066040 is 4066045.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54065996 and 54066014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54066043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96267 + ... + 96826.

It is an arithmetic number, because the mean of its divisors is an integer number (4344615).

Almost surely, 254066040 is an apocalyptic number.

It is an amenable number.

54066040 is an abundant number, since it is smaller than the sum of its proper divisors (84961640).

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

54066040 is a wasteful number, since it uses less digits than its factorization.

54066040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193111 (or 193107 counting only the distinct ones).

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

The square root of 54066040 is about 7352.9613082077. The cubic root of 54066040 is about 378.1303358763.

The spelling of 54066040 in words is "fifty-four million, sixty-six thousand, forty", and thus it is an eban number.

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 193093 386186 772372 965465 1351651 1544744 1930930 2703302 3861860 5406604 6758255 7723720 10813208 13516510 27033020 54066040