Search a number
-
+
25250 = 253101
BaseRepresentation
bin110001010100010
31021122012
412022202
51302000
6312522
7133421
oct61242
937565
1025250
1117a75
1212742
13b654
1492b8
157735
hex62a2

25250 has 16 divisors (see below), whose sum is σ = 47736. Its totient is φ = 10000.

The previous prime is 25247. The next prime is 25253. The reversal of 25250 is 5252.

It is an interprime number because it is at equal distance from previous prime (25247) and next prime (25253).

It can be written as a sum of positive squares in 4 ways, for example, as 14641 + 10609 = 121^2 + 103^2 .

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

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (25253) 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, 200 + ... + 300.

225250 is an apocalyptic number.

25250 is a deficient number, since it is larger than the sum of its proper divisors (22486).

25250 is a wasteful number, since it uses less digits than its factorization.

25250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 25250 is about 158.9024858207. The cubic root of 25250 is about 29.3373215422.

The spelling of 25250 in words is "twenty-five thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 101 125 202 250 505 1010 2525 5050 12625 25250