Base | Representation |
---|---|
bin | 11101001110010… |
… | …01101010110100 |
3 | 122002021121200110 |
4 | 32213021222310 |
5 | 1000224103434 |
6 | 40154143020 |
7 | 6034456152 |
oct | 1647115264 |
9 | 562247613 |
10 | 245144244 |
11 | 116417554 |
12 | 6a121a70 |
13 | 3ba32487 |
14 | 247b43d2 |
15 | 167c54e9 |
hex | e9c9ab4 |
245144244 has 12 divisors (see below), whose sum is σ = 572003264. Its totient is φ = 81714744.
The previous prime is 245144243. The next prime is 245144257. The reversal of 245144244 is 442441542.
245144244 is digitally balanced in base 3, 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 (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245144243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10214332 + ... + 10214355.
Almost surely, 2245144244 is an apocalyptic number.
It is an amenable number.
245144244 is an abundant number, since it is smaller than the sum of its proper divisors (326859020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245144244 is a wasteful number, since it uses less digits than its factorization.
245144244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20428694 (or 20428692 counting only the distinct ones).
The product of its digits is 20480, while the sum is 30.
The square root of 245144244 is about 15657.0828700624. The cubic root of 245144244 is about 625.8552506869.
Adding to 245144244 its reverse (442441542), we get a palindrome (687585786).
The spelling of 245144244 in words is "two hundred forty-five million, one hundred forty-four thousand, two hundred forty-four".
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