Base | Representation |
---|---|
bin | 11101000011001… |
… | …101100110011000 |
3 | 1020222002112120222 |
4 | 131003031212120 |
5 | 1444232201100 |
6 | 120210135212 |
7 | 15035450012 |
oct | 3503154630 |
9 | 1228075528 |
10 | 487381400 |
11 | 230128950 |
12 | 117281508 |
13 | 79c8767c |
14 | 48a2d1b2 |
15 | 2cbc4485 |
hex | 1d0cd998 |
487381400 has 48 divisors (see below), whose sum is σ = 1236182040. Its totient is φ = 177228800.
The previous prime is 487381373. The next prime is 487381403. The reversal of 487381400 is 4183784.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487381403) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108569 + ... + 112968.
Almost surely, 2487381400 is an apocalyptic number.
487381400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
487381400 is an abundant number, since it is smaller than the sum of its proper divisors (748800640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487381400 is a wasteful number, since it uses less digits than its factorization.
487381400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221564 (or 221555 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 487381400 is about 22076.7162413254. The cubic root of 487381400 is about 786.9666296779.
The spelling of 487381400 in words is "four hundred eighty-seven million, three hundred eighty-one thousand, four hundred".
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