Base | Representation |
---|---|
bin | 11101000010001… |
… | …101111010000001 |
3 | 1020221121021201111 |
4 | 131002031322001 |
5 | 1444200324023 |
6 | 120200403321 |
7 | 15033312265 |
oct | 3502157201 |
9 | 1227537644 |
10 | 487120513 |
11 | 22aa6a940 |
12 | 117176541 |
13 | 79bc59b9 |
14 | 489a20a5 |
15 | 2cb7200d |
hex | 1d08de81 |
487120513 has 8 divisors (see below), whose sum is σ = 536108256. Its totient is φ = 438916800.
The previous prime is 487120507. The next prime is 487120547. The reversal of 487120513 is 315021784.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 487120513 - 25 = 487120481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (487120553) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 194703 + ... + 197188.
It is an arithmetic number, because the mean of its divisors is an integer number (67013532).
Almost surely, 2487120513 is an apocalyptic number.
It is an amenable number.
487120513 is a deficient number, since it is larger than the sum of its proper divisors (48987743).
487120513 is a wasteful number, since it uses less digits than its factorization.
487120513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 392015.
The product of its (nonzero) digits is 6720, while the sum is 31.
The square root of 487120513 is about 22070.8068044646. The cubic root of 487120513 is about 786.8261879849.
The spelling of 487120513 in words is "four hundred eighty-seven million, one hundred twenty thousand, five hundred thirteen".
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