Base | Representation |
---|---|
bin | 1011101001010… |
… | …1110001110011 |
3 | 10101220201211201 |
4 | 2322111301303 |
5 | 100001113422 |
6 | 4502552031 |
7 | 1132125646 |
oct | 272256163 |
9 | 111821751 |
10 | 48847987 |
11 | 25634241 |
12 | 14438617 |
13 | a173c46 |
14 | 66b7a5d |
15 | 444d727 |
hex | 2e95c73 |
48847987 has 8 divisors (see below), whose sum is σ = 51883632. Its totient is φ = 45830400.
The previous prime is 48847963. The next prime is 48847999. The reversal of 48847987 is 78974884.
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 48847987 - 27 = 48847859 is a prime.
It is a super-2 number, since 2×488479872 = 4772251667904338, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48847937) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287 + ... + 9967.
It is an arithmetic number, because the mean of its divisors is an integer number (6485454).
Almost surely, 248847987 is an apocalyptic number.
48847987 is a deficient number, since it is larger than the sum of its proper divisors (3035645).
48847987 is a wasteful number, since it uses less digits than its factorization.
48847987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9029.
The product of its digits is 3612672, while the sum is 55.
The square root of 48847987 is about 6989.1334942180. The cubic root of 48847987 is about 365.5517694621.
It can be divided in two parts, 488479 and 87, that added together give a triangular number (488566 = T988).
The spelling of 48847987 in words is "forty-eight million, eight hundred forty-seven thousand, nine hundred eighty-seven".
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