Base | Representation |
---|---|
bin | 11101000010000… |
… | …101100110010000 |
3 | 1020221112120001000 |
4 | 131002011212100 |
5 | 1444143231410 |
6 | 120155542000 |
7 | 15033111126 |
oct | 3502054620 |
9 | 1227476030 |
10 | 487086480 |
11 | 22aa47311 |
12 | 11715a900 |
13 | 79bb336a |
14 | 48993916 |
15 | 2cb66dc0 |
hex | 1d085990 |
487086480 has 80 divisors (see below), whose sum is σ = 1677749760. Its totient is φ = 129889152.
The previous prime is 487086473. The next prime is 487086487. The reversal of 487086480 is 84680784.
It is an interprime number because it is at equal distance from previous prime (487086473) and next prime (487086487).
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (487086487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110592 + ... + 114911.
It is an arithmetic number, because the mean of its divisors is an integer number (20971872).
Almost surely, 2487086480 is an apocalyptic number.
487086480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
487086480 is an abundant number, since it is smaller than the sum of its proper divisors (1190663280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487086480 is a wasteful number, since it uses less digits than its factorization.
487086480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225525 (or 225513 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 45.
The square root of 487086480 is about 22070.0357951681. The cubic root of 487086480 is about 786.8078635124.
The spelling of 487086480 in words is "four hundred eighty-seven million, eighty-six thousand, four hundred eighty".
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