Base | Representation |
---|---|
bin | 11101001110001… |
… | …10101111011010 |
3 | 122002021000020020 |
4 | 32213012233122 |
5 | 1000223213000 |
6 | 40154011310 |
7 | 6034406166 |
oct | 1647065732 |
9 | 562230206 |
10 | 245132250 |
11 | 116409540 |
12 | 6a116b36 |
13 | 3ba29b8c |
14 | 247adca6 |
15 | 167c1ba0 |
hex | e9c6bda |
245132250 has 128 divisors (see below), whose sum is σ = 683983872. Its totient is φ = 57960000.
The previous prime is 245132201. The next prime is 245132263. The reversal of 245132250 is 52231542.
It is a self number, because there is not a number n which added to its sum of digits gives 245132250.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 354405 + ... + 355095.
It is an arithmetic number, because the mean of its divisors is an integer number (5343624).
Almost surely, 2245132250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 245132250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341991936).
245132250 is an abundant number, since it is smaller than the sum of its proper divisors (438851622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245132250 is a wasteful number, since it uses less digits than its factorization.
245132250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 765 (or 755 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 245132250 is about 15656.6998438368. The cubic root of 245132250 is about 625.8450435938.
Adding to 245132250 its reverse (52231542), we get a palindrome (297363792).
The spelling of 245132250 in words is "two hundred forty-five million, one hundred thirty-two thousand, two hundred fifty".
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