Base | Representation |
---|---|
bin | 1001000010101100… |
… | …1000011011001101 |
3 | 20021011020211212001 |
4 | 2100223020123031 |
5 | 14432332211210 |
6 | 1040503512301 |
7 | 114102036034 |
oct | 22053103315 |
9 | 6234224761 |
10 | 2427225805 |
11 | 1036118744 |
12 | 578a58691 |
13 | 2c8b2bcb4 |
14 | 19050971b |
15 | e315303a |
hex | 90ac86cd |
2427225805 has 4 divisors (see below), whose sum is σ = 2912670972. Its totient is φ = 1941780640.
The previous prime is 2427225791. The next prime is 2427225821. The reversal of 2427225805 is 5085227242.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 276956164 + 2150269641 = 16642^2 + 46371^2 .
It is not a de Polignac number, because 2427225805 - 213 = 2427217613 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242722576 + ... + 242722585.
It is an arithmetic number, because the mean of its divisors is an integer number (728167743).
Almost surely, 22427225805 is an apocalyptic number.
It is an amenable number.
2427225805 is a deficient number, since it is larger than the sum of its proper divisors (485445167).
2427225805 is an equidigital number, since it uses as much as digits as its factorization.
2427225805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 485445166.
The product of its (nonzero) digits is 89600, while the sum is 37.
The square root of 2427225805 is about 49266.8834512596. The cubic root of 2427225805 is about 1343.9096122500.
The spelling of 2427225805 in words is "two billion, four hundred twenty-seven million, two hundred twenty-five thousand, eight hundred five".
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