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3250 = 25313
BaseRepresentation
bin110010110010
311110101
4302302
5101000
623014
712322
oct6262
94411
103250
112495
121a6a
131630
141282
15e6a
hexcb2

3250 has 16 divisors (see below), whose sum is σ = 6552. Its totient is φ = 1200.

The previous prime is 3229. The next prime is 3251. The reversal of 3250 is 523.

Subtracting from 3250 its sum of digits (10), we obtain a triangular number (3240 = T80).

3250 divided by its sum of digits (10) gives a triangular number (325 = T25).

Adding to 3250 its reverse (523), we get a palindrome (3773).

It can be divided in two parts, 32 and 50, that multiplied together give a square (1600 = 402).

3250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 572+1.

It can be written as a sum of positive squares in 4 ways, for example, as 441 + 2809 = 21^2 + 53^2 .

3250 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an alternating number because its digits alternate between odd and even.

3250 is an undulating number in base 8.

It is a nialpdrome in base 9 and base 16.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (3251) 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, 244 + ... + 256.

23250 is an apocalyptic number.

3250 is an abundant number, since it is smaller than the sum of its proper divisors (3302).

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 (3276).

3250 is a wasteful number, since it uses less digits than its factorization.

3250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30 (or 20 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 3250 is about 57.0087712550. The cubic root of 3250 is about 14.8124803420.

The spelling of 3250 in words is "three thousand, two hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 125 130 250 325 650 1625 3250