Base | Representation |
---|---|
bin | 11101000011100… |
… | …101000110110000 |
3 | 1020222021102122220 |
4 | 131003211012300 |
5 | 1444243241210 |
6 | 120212201040 |
7 | 15036330504 |
oct | 3503450660 |
9 | 1228242586 |
10 | 487477680 |
11 | 230194218 |
12 | 117309180 |
13 | 79cbc441 |
14 | 48a56304 |
15 | 2cbe2c70 |
hex | 1d0e51b0 |
487477680 has 80 divisors (see below), whose sum is σ = 1590731520. Its totient is φ = 123151104.
The previous prime is 487477673. The next prime is 487477717. The reversal of 487477680 is 86774784.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48892 + ... + 58011.
It is an arithmetic number, because the mean of its divisors is an integer number (19884144).
Almost surely, 2487477680 is an apocalyptic number.
487477680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
487477680 is an abundant number, since it is smaller than the sum of its proper divisors (1103253840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487477680 is a wasteful number, since it uses less digits than its factorization.
487477680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106938 (or 106932 counting only the distinct ones).
The product of its (nonzero) digits is 2107392, while the sum is 51.
The square root of 487477680 is about 22078.8967115660. The cubic root of 487477680 is about 787.0184468368.
The spelling of 487477680 in words is "four hundred eighty-seven million, four hundred seventy-seven thousand, six hundred eighty".
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