Base | Representation |
---|---|
bin | 11101010011111… |
… | …10101110000000 |
3 | 122010200021221101 |
4 | 32221332232000 |
5 | 1000421321244 |
6 | 40222104144 |
7 | 6043665202 |
oct | 1651765600 |
9 | 563607841 |
10 | 245885824 |
11 | 116883728 |
12 | 6a41b054 |
13 | 3bc31b92 |
14 | 24928772 |
15 | 168c00d4 |
hex | ea7eb80 |
245885824 has 80 divisors (see below), whose sum is σ = 543094920. Its totient is φ = 110680064.
The previous prime is 245885803. The next prime is 245885837. The reversal of 245885824 is 428588542.
245885824 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10690677 + ... + 10690699.
Almost surely, 2245885824 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 245885824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271547460).
245885824 is an abundant number, since it is smaller than the sum of its proper divisors (297209096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245885824 is an frugal number, since it uses more digits than its factorization.
245885824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105 (or 42 counting only the distinct ones).
The product of its digits is 819200, while the sum is 46.
The square root of 245885824 is about 15680.7469209856. The cubic root of 245885824 is about 626.4857019850.
Multiplying 245885824 by its sum of digits (46), we get a square (11310747904 = 1063522).
245885824 divided by its sum of digits (46) gives a square (5345344 = 23122).
The spelling of 245885824 in words is "two hundred forty-five million, eight hundred eighty-five thousand, eight hundred twenty-four".
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