Base | Representation |
---|---|
bin | 11010101110100… |
… | …111011010100000 |
3 | 1011020210111010121 |
4 | 122232213122200 |
5 | 1404244141210 |
6 | 112255210024 |
7 | 14053400221 |
oct | 3256473240 |
9 | 1136714117 |
10 | 448427680 |
11 | 210142398 |
12 | 106216914 |
13 | 71b9912c |
14 | 437ad248 |
15 | 2957c6da |
hex | 1aba76a0 |
448427680 has 24 divisors (see below), whose sum is σ = 1059410772. Its totient is φ = 179371008.
The previous prime is 448427677. The next prime is 448427723. The reversal of 448427680 is 86724844.
It can be written as a sum of positive squares in 2 ways, for example, as 423865744 + 24561936 = 20588^2 + 4956^2 .
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
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, 1401177 + ... + 1401496.
Almost surely, 2448427680 is an apocalyptic number.
448427680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
448427680 is an abundant number, since it is smaller than the sum of its proper divisors (610983092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
448427680 is a wasteful number, since it uses less digits than its factorization.
448427680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2802688 (or 2802680 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 43.
The square root of 448427680 is about 21176.1110688436. Note that the first 3 decimals coincide. The cubic root of 448427680 is about 765.4158844804.
The spelling of 448427680 in words is "four hundred forty-eight million, four hundred twenty-seven thousand, six hundred eighty".
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