Base | Representation |
---|---|
bin | 11101000010001… |
… | …000111010000111 |
3 | 1020221120020122012 |
4 | 131002020322013 |
5 | 1444144200124 |
6 | 120200124435 |
7 | 15033165506 |
oct | 3502107207 |
9 | 1227506565 |
10 | 487100039 |
11 | 22aa56518 |
12 | 11716671b |
13 | 79bb959a |
14 | 4899883d |
15 | 2cb6ae0e |
hex | 1d088e87 |
487100039 has 4 divisors (see below), whose sum is σ = 487320024. Its totient is φ = 486880056.
The previous prime is 487100021. The next prime is 487100083. The reversal of 487100039 is 930001784.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 487100039 - 220 = 486051463 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 487099978 and 487100014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487100239) 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 3 ways as a sum of consecutive naturals, for example, 106637 + ... + 111110.
It is an arithmetic number, because the mean of its divisors is an integer number (121830006).
Almost surely, 2487100039 is an apocalyptic number.
487100039 is a deficient number, since it is larger than the sum of its proper divisors (219985).
487100039 is a wasteful number, since it uses less digits than its factorization.
487100039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219984.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 487100039 is about 22070.3429742267. The cubic root of 487100039 is about 786.8151642206.
The spelling of 487100039 in words is "four hundred eighty-seven million, one hundred thousand, thirty-nine".
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