Base | Representation |
---|---|
bin | 11101000011011… |
… | …101101110000100 |
3 | 1020222012220011110 |
4 | 131003131232010 |
5 | 1444241304203 |
6 | 120211405020 |
7 | 15036143346 |
oct | 3503355604 |
9 | 1228186143 |
10 | 487447428 |
11 | 230173516 |
12 | 1172b3770 |
13 | 79cab740 |
14 | 48a49296 |
15 | 2cbd8d03 |
hex | 1d0ddb84 |
487447428 has 48 divisors (see below), whose sum is σ = 1267116480. Its totient is φ = 144810624.
The previous prime is 487447403. The next prime is 487447517. The reversal of 487447428 is 824744784.
It is a Smith number, since the sum of its digits (48) 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 15 ways as a sum of consecutive naturals, for example, 49350 + ... + 58397.
It is an arithmetic number, because the mean of its divisors is an integer number (26398260).
Almost surely, 2487447428 is an apocalyptic number.
It is an amenable number.
487447428 is an abundant number, since it is smaller than the sum of its proper divisors (779669052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487447428 is a wasteful number, since it uses less digits than its factorization.
487447428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107796 (or 107794 counting only the distinct ones).
The product of its digits is 1605632, while the sum is 48.
The square root of 487447428 is about 22078.2116123566. The cubic root of 487447428 is about 787.0021661771.
The spelling of 487447428 in words is "four hundred eighty-seven million, four hundred forty-seven thousand, four hundred twenty-eight".
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