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2750140 = 225137507
BaseRepresentation
bin1010011111011010111100
312011201111001
422133122330
51201001030
6134540044
732242621
oct12373274
95151431
102750140
111609248
12b07624
13753a03
14518348
15394cca
hex29f6bc

2750140 has 12 divisors (see below), whose sum is σ = 5775336. Its totient is φ = 1100048.

The previous prime is 2750131. The next prime is 2750159. The reversal of 2750140 is 410572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68734 + ... + 68773.

It is an arithmetic number, because the mean of its divisors is an integer number (481278).

22750140 is an apocalyptic number.

2750140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750140 is an abundant number, since it is smaller than the sum of its proper divisors (3025196).

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

2750140 is a wasteful number, since it uses less digits than its factorization.

2750140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137516 (or 137514 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2750140 is about 1658.3546062287. The cubic root of 2750140 is about 140.1043439803.

The spelling of 2750140 in words is "two million, seven hundred fifty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 137507 275014 550028 687535 1375070 2750140