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2750 = 25311
BaseRepresentation
bin101010111110
310202212
4222332
542000
620422
711006
oct5276
93685
102750
112080
121712
131337
141006
15c35
hexabe

2750 has 16 divisors (see below), whose sum is σ = 5616. Its totient is φ = 1000.

The previous prime is 2749. The next prime is 2753. The reversal of 2750 is 572.

It can be divided in two parts, 27 and 50, that added together give a palindrome (77).

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 13 and base 16.

It is a nialpdrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2753) 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, 245 + ... + 255.

It is an arithmetic number, because the mean of its divisors is an integer number (351).

2750 is an abundant number, since it is smaller than the sum of its proper divisors (2866).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808).

2750 is a wasteful number, since it uses less digits than its factorization.

2750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 2750 is about 52.4404424085. The cubic root of 2750 is about 14.0101966533.

The spelling of 2750 in words is "two thousand, seven hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 250 275 550 1375 2750