Base | Representation |
---|---|
bin | 11101010100101… |
… | …11111110000000 |
3 | 122010212112210220 |
4 | 32222113332000 |
5 | 1000433123443 |
6 | 40224223040 |
7 | 6044605551 |
oct | 1652277600 |
9 | 563775726 |
10 | 245989248 |
11 | 1169443aa |
12 | 6a46aa80 |
13 | 3bc69c8b |
14 | 24954328 |
15 | 168e0a83 |
hex | ea97f80 |
245989248 has 64 divisors (see below), whose sum is σ = 659307600. Its totient is φ = 81256448.
The previous prime is 245989213. The next prime is 245989259. The reversal of 245989248 is 842989542.
It is a tau number, because it is divible by the number of its divisors (64).
It is a self number, because there is not a number n which added to its sum of digits gives 245989248.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40558 + ... + 46226.
Almost surely, 2245989248 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 245989248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329653800).
245989248 is an abundant number, since it is smaller than the sum of its proper divisors (413318352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245989248 is a wasteful number, since it uses less digits than its factorization.
245989248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5799 (or 5787 counting only the distinct ones).
The product of its digits is 1658880, while the sum is 51.
The square root of 245989248 is about 15684.0443763718. The cubic root of 245989248 is about 626.5735267239.
The spelling of 245989248 in words is "two hundred forty-five million, nine hundred eighty-nine thousand, two hundred forty-eight".
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