Base | Representation |
---|---|
bin | 11101010000001… |
… | …00011011110000 |
3 | 122002201211212021 |
4 | 32220010123300 |
5 | 1000304304234 |
6 | 40203241224 |
7 | 6036511000 |
oct | 1650043360 |
9 | 562654767 |
10 | 245384944 |
11 | 116571382 |
12 | 6a219214 |
13 | 3bab7bbc |
14 | 24838000 |
15 | 168219b4 |
hex | ea046f0 |
245384944 has 80 divisors (see below), whose sum is σ = 564299200. Its totient is φ = 103299840.
The previous prime is 245384939. The next prime is 245384969. The reversal of 245384944 is 449483542.
It is a self number, because there is not a number n which added to its sum of digits gives 245384944.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334402 + ... + 335134.
It is an arithmetic number, because the mean of its divisors is an integer number (7053740).
Almost surely, 2245384944 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 245384944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282149600).
245384944 is an abundant number, since it is smaller than the sum of its proper divisors (318914256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245384944 is an equidigital number, since it uses as much as digits as its factorization.
245384944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 823 (or 803 counting only the distinct ones).
The product of its digits is 552960, while the sum is 43.
The square root of 245384944 is about 15664.7676012126. The cubic root of 245384944 is about 626.0600200356.
The spelling of 245384944 in words is "two hundred forty-five million, three hundred eighty-four thousand, nine hundred forty-four".
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