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2757140 = 225314447
BaseRepresentation
bin1010100001001000010100
312012002002022
422201020110
51201212030
6135032312
732302211
oct12411024
95162068
102757140
111613531
12b0b698
13756c59
1451ab08
15396de5
hex2a1214

2757140 has 24 divisors (see below), whose sum is σ = 5978112. Its totient is φ = 1067040.

The previous prime is 2757133. The next prime is 2757151. The reversal of 2757140 is 417572.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604 + ... + 2843.

It is an arithmetic number, because the mean of its divisors is an integer number (249088).

22757140 is an apocalyptic number.

2757140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2757140 is an abundant number, since it is smaller than the sum of its proper divisors (3220972).

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

2757140 is a wasteful number, since it uses less digits than its factorization.

2757140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487 (or 4485 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 2757140 is about 1660.4637906320. The cubic root of 2757140 is about 140.2231136296.

The spelling of 2757140 in words is "two million, seven hundred fifty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 4447 8894 17788 22235 44470 88940 137857 275714 551428 689285 1378570 2757140