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3075140 = 225153757
BaseRepresentation
bin1011101110110001000100
312210020022002
423232301010
51241401030
6145524432
735065265
oct13566104
95706262
103075140
111810442
121043718
13838913
145a096c
1540b245
hex2eec44

3075140 has 12 divisors (see below), whose sum is σ = 6457836. Its totient is φ = 1230048.

The previous prime is 3075119. The next prime is 3075151. The reversal of 3075140 is 415703.

It is a happy number.

3075140 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 1976836 + 1098304 = 1406^2 + 1048^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 153757 = 3075140 / (3 + 0 + 7 + 5 + 1 + 4 + 0).

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, 76859 + ... + 76898.

It is an arithmetic number, because the mean of its divisors is an integer number (538153).

Almost surely, 23075140 is an apocalyptic number.

It is an amenable number.

3075140 is an abundant number, since it is smaller than the sum of its proper divisors (3382696).

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

3075140 is a wasteful number, since it uses less digits than its factorization.

3075140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153766 (or 153764 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 3075140 is about 1753.6077098371. The cubic root of 3075140 is about 145.4191597160.

The spelling of 3075140 in words is "three million, seventy-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 153757 307514 615028 768785 1537570 3075140