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245252 = 22719461
BaseRepresentation
bin111011111000000100
3110110102102
4323320010
530322002
65131232
72041010
oct737004
9413372
10245252
11158297
12b9b18
1387827
1465540
154ca02
hex3be04

245252 has 24 divisors (see below), whose sum is σ = 517440. Its totient is φ = 99360.

The previous prime is 245251. The next prime is 245257. The reversal of 245252 is 252542.

245252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (245251) 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, 302 + ... + 762.

It is an arithmetic number, because the mean of its divisors is an integer number (21560).

2245252 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 245252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258720).

245252 is an abundant number, since it is smaller than the sum of its proper divisors (272188).

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

245252 is a wasteful number, since it uses less digits than its factorization.

245252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

The product of its digits is 800, while the sum is 20.

The square root of 245252 is about 495.2292398476. The cubic root of 245252 is about 62.5946937903.

Adding to 245252 its reverse (252542), we get a palindrome (497794).

It can be divided in two parts, 2 and 45252, that added together give a palindrome (45254).

The spelling of 245252 in words is "two hundred forty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 461 532 922 1844 3227 6454 8759 12908 17518 35036 61313 122626 245252