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245250 = 23253109
BaseRepresentation
bin111011111000000010
3110110102100
4323320002
530322000
65131230
72041005
oct737002
9413370
10245250
11158295
12b9b16
1387825
146553c
154ca00
hex3be02

245250 has 48 divisors (see below), whose sum is σ = 669240. Its totient is φ = 64800.

The previous prime is 245209. The next prime is 245251. The reversal of 245250 is 52542.

Adding to 245250 its reverse (52542), we get a palindrome (297792).

245250 is digitally balanced in base 2, 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 4 ways, for example, as 95481 + 149769 = 309^2 + 387^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (245251) by changing a digit.

245250 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2196 + ... + 2304.

2245250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334620).

245250 is an abundant number, since it is smaller than the sum of its proper divisors (423990).

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

245250 is a wasteful number, since it uses less digits than its factorization.

245250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 245250 is about 495.2272205766. The cubic root of 245250 is about 62.5945236391.

The spelling of 245250 in words is "two hundred forty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 109 125 150 218 225 250 327 375 450 545 654 750 981 1090 1125 1635 1962 2250 2725 3270 4905 5450 8175 9810 13625 16350 24525 27250 40875 49050 81750 122625 245250