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30250 = 253112
BaseRepresentation
bin111011000101010
31112111101
413120222
51432000
6352014
7154123
oct73052
945441
1030250
1120800
121560a
13109cc
14b04a
158e6a
hex762a

30250 has 24 divisors (see below), whose sum is σ = 62244. Its totient is φ = 11000.

The previous prime is 30241. The next prime is 30253. The reversal of 30250 is 5203.

30250 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20449 + 9801 = 143^2 + 99^2 .

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

30250 is strictly pandigital in base 6.

It is not an unprimeable number, because it can be changed into a prime (30253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2745 + ... + 2755.

230250 is an apocalyptic number.

30250 is an abundant number, since it is smaller than the sum of its proper divisors (31994).

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 (31122).

30250 is a wasteful number, since it uses less digits than its factorization.

30250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39 (or 18 counting only the distinct ones).

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

The square root of 30250 is about 173.9252713093. The cubic root of 30250 is about 31.1583984218.

Multiplying 30250 by its sum of digits (10), we get a square (302500 = 5502).

30250 divided by its sum of digits (10) gives a square (3025 = 552).

Adding to 30250 its reverse (5203), we get a palindrome (35453).

The spelling of 30250 in words is "thirty thousand, two hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 125 242 250 275 550 605 1210 1375 2750 3025 6050 15125 30250