Base | Representation |
---|---|
bin | 11010101010110… |
… | …001011100000000 |
3 | 1011011220022002001 |
4 | 122222301130000 |
5 | 1404014421120 |
6 | 112221433344 |
7 | 14042002645 |
oct | 3252613400 |
9 | 1134808061 |
10 | 447420160 |
11 | 20a614430 |
12 | 105a0b854 |
13 | 71905675 |
14 | 435c9dcc |
15 | 2942de0a |
hex | 1aab1700 |
447420160 has 144 divisors (see below), whose sum is σ = 1197947520. Its totient is φ = 158699520.
The previous prime is 447420157. The next prime is 447420209. The reversal of 447420160 is 61024744.
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, 605071 + ... + 605809.
It is an arithmetic number, because the mean of its divisors is an integer number (8319080).
Almost surely, 2447420160 is an apocalyptic number.
447420160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 447420160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598973760).
447420160 is an abundant number, since it is smaller than the sum of its proper divisors (750527360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
447420160 is a wasteful number, since it uses less digits than its factorization.
447420160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 814 (or 800 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 447420160 is about 21152.3086210465. The cubic root of 447420160 is about 764.8422133175.
The spelling of 447420160 in words is "four hundred forty-seven million, four hundred twenty thousand, one hundred sixty".
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