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245056 = 267547
BaseRepresentation
bin111011110101000000
3110110011011
4323311000
530320211
65130304
72040310
oct736500
9413134
10245056
11158129
12b9994
1387706
1465440
154c921
hex3bd40

245056 has 28 divisors (see below), whose sum is σ = 556768. Its totient is φ = 104832.

The previous prime is 245039. The next prime is 245071. The reversal of 245056 is 650542.

245056 is nontrivially palindromic in base 3.

245056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

It is a nialpdrome in base 12 and base 14.

It is a congruent number.

It is an unprimeable number.

245056 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 3 ways as a sum of consecutive naturals, for example, 175 + ... + 721.

2245056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278384).

245056 is an abundant number, since it is smaller than the sum of its proper divisors (311712).

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

245056 is an equidigital number, since it uses as much as digits as its factorization.

245056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 245056 is about 495.0313121410. The cubic root of 245056 is about 62.5780145791.

Adding to 245056 its reverse (650542), we get a palindrome (895598).

The spelling of 245056 in words is "two hundred forty-five thousand, fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 547 1094 2188 3829 4376 7658 8752 15316 17504 30632 35008 61264 122528 245056