Base | Representation |
---|---|
bin | 11001100010110… |
… | …010000100001000 |
3 | 1002212101111211111 |
4 | 121202302010020 |
5 | 1334202021420 |
6 | 110305140104 |
7 | 13422413062 |
oct | 3142620410 |
9 | 1085344744 |
10 | 428548360 |
11 | 1aa9a47a9 |
12 | bb62a634 |
13 | 6aa28916 |
14 | 40cb6732 |
15 | 2795245a |
hex | 198b2108 |
428548360 has 16 divisors (see below), whose sum is σ = 964233900. Its totient is φ = 171419328.
The previous prime is 428548357. The next prime is 428548381. The reversal of 428548360 is 63845824.
It can be written as a sum of positive squares in 2 ways, for example, as 419512324 + 9036036 = 20482^2 + 3006^2 .
It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 10713709 = 428548360 / (4 + 2 + 8 + 5 + 4 + 8 + 3 + 6 + 0).
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, 5356815 + ... + 5356894.
Almost surely, 2428548360 is an apocalyptic number.
428548360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
428548360 is an abundant number, since it is smaller than the sum of its proper divisors (535685540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
428548360 is a wasteful number, since it uses less digits than its factorization.
428548360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10713720 (or 10713716 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 40.
The square root of 428548360 is about 20701.4096138403. The cubic root of 428548360 is about 753.9339133939.
The spelling of 428548360 in words is "four hundred twenty-eight million, five hundred forty-eight thousand, three hundred sixty".
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