Base | Representation |
---|---|
bin | 11101010010000… |
… | …11111111001100 |
3 | 122010020001221121 |
4 | 32221003333030 |
5 | 1000341122020 |
6 | 40213010324 |
7 | 6041643640 |
oct | 1651037714 |
9 | 563201847 |
10 | 245645260 |
11 | 116729a13 |
12 | 6a3239a4 |
13 | 3bb79533 |
14 | 248a4c20 |
15 | 16873baa |
hex | ea43fcc |
245645260 has 24 divisors (see below), whose sum is σ = 589548960. Its totient is φ = 84221184.
The previous prime is 245645237. The next prime is 245645263. The reversal of 245645260 is 62546542.
245645260 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
245645260 is strictly pandigital in base 9.
It is not an unprimeable number, because it can be changed into a prime (245645263) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877165 + ... + 877444.
It is an arithmetic number, because the mean of its divisors is an integer number (24564540).
Almost surely, 2245645260 is an apocalyptic number.
245645260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245645260 is an abundant number, since it is smaller than the sum of its proper divisors (343903700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245645260 is a wasteful number, since it uses less digits than its factorization.
245645260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1754625 (or 1754623 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 34.
The square root of 245645260 is about 15673.0743633787. The cubic root of 245645260 is about 626.2813265286.
The spelling of 245645260 in words is "two hundred forty-five million, six hundred forty-five thousand, two hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •